Creamy Roasted Tomato Soup With Grilled Cheese
A bowl of creamy roasted tomato soup with grilled cheese is comfort food that feels familiar yet a little more special than opening a tin. Roasting ripe tomatoes concentrates their sweetness and gives the soup a gently smoky edge, while garlic and onion soften into the pan juices. The grilled cheese brings the buttery crunch and stretchy cheese that make every spoonful feel complete.
This recipe uses fresh tomatoes for a rounded, bright flavour and a small amount of tomato paste for depth. A little stock loosens the roasted vegetables into a silky soup; a splash of cream mellows the acidity without burying the tomato. The grilled cheese is cooked low and steady, so the bread turns golden before the cheese has a chance to remain cold in the middle.
It is straightforward enough for a weeknight, but the two-part meal also works for a relaxed weekend lunch or a cosy supper when the weather turns chilly. Most of the soup is hands-off while the tomatoes roast, and you can blend it smooth or leave a little texture. If you want to get ahead, roast the tomatoes earlier and keep them chilled until you are ready to simmer the soup.
Use a sturdy loaf with a close crumb, such as sourdough or country bread, and a cheese that melts reliably. Mature Cheddar gives a savoury bite; mozzarella adds pull, and a little Gruyère brings a nutty finish. The recipe below serves four with a generous bowl of soup and one sandwich each. Let’s get cooking 👇
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Why You’ll Love This Recipe
Roasting does most of the flavour work. Tomatoes, onion and garlic soften together in the oven, concentrating their sweetness without constant stirring at the hob.
The soup is easy to adapt. Blend until velvety or pulse only part of it if you like small tomato pieces.
The grilled cheese is built for dipping. A mix of sharp Cheddar and mozzarella melts smoothly and still tastes savoury beside the tomato.
It is a real meal, not just a starter. Serve a full sandwich per person with a generous bowl of soup.
The components can be prepared separately. Roast and blend the soup base ahead, then reheat it gently while you cook fresh sandwiches.
It uses everyday ingredients. Tomatoes, onion, garlic, bread, cheese and stock are easy to find, and the herbs can be adjusted to what you have.
What Does Creamy Roasted Tomato Soup Taste Like?
Roasting turns fresh tomatoes sweeter and deeper, with browned edges that bring a mellow, almost jammy flavour. Onion and garlic add savoury warmth; thyme and basil keep the soup tasting fresh. The cream rounds out the sharpest tomato notes, but the soup should still taste distinctly tomato-forward rather than like a cream sauce.
The texture is smooth and spoonable, with enough body to cling lightly to a piece of bread. The grilled cheese adds contrast: crisp, buttered bread on the outside and molten cheese inside. Mature Cheddar gives a tangy, slightly sharp note; mozzarella softens it and provides a stretch. A little mustard in the sandwich is optional, but it makes the cheese taste fuller without turning the meal into a mustard sandwich.
Ingredients You’ll Need
For the Roasted Tomato Soup
1.2kg ripe tomatoes, halved if small or quartered if large
1 medium brown onion, cut into wedges
5 garlic cloves, peeled
2 tablespoons olive oil
1 teaspoon fine salt, plus more to taste
½ teaspoon black pepper
1 tablespoon tomato purée
600ml vegetable stock or chicken stock
1 teaspoon dried thyme or 1 tablespoon fresh thyme leaves
60ml double cream, plus a little more to serve if desired
6 fresh basil leaves, torn
1 teaspoon balsamic vinegar, optional
For the Grilled Cheese
8 slices sourdough or sturdy white bread
40g softened butter, for spreading
160g mature Cheddar, grated
120g mozzarella, grated and patted dry if very wet
1 teaspoon Dijon mustard, optional
Black pepper, to taste
Ripe tomatoes are the foundation, so choose fragrant fruit that gives slightly when pressed. A mix of plum and vine tomatoes works well; very watery tomatoes may need a few extra minutes in the oven. Tomato purée adds concentrated savoury flavour, while stock lets you control the final thickness. Use vegetable stock for a vegetarian meal.
Double cream makes the soup smooth and gentle, but it is added after blending so it does not split during a vigorous boil. Basil brings a fresh, sweet-herbal note at the end. For the sandwich, grating the cheese yourself gives a better melt than pre-shredded cheese, which is often coated to prevent clumping. The Cheddar-Mozzarella balance keeps the filling flavourful and stretchy.
Ingredient Substitutions
Fresh tomatoes: Use 2 x 400g tins of chopped tomatoes if fresh tomatoes are out of season. Roast them briefly with the onion and garlic in a deep roasting dish, then reduce the stock slightly.
Double cream: Use single cream or whole milk for a lighter soup, adding it in a thin stream off the heat. The result will be less rich.
Stock: Vegetable stock keeps the soup vegetarian; chicken stock adds savoury depth. Check the label if cooking for someone avoiding gluten.
Bread: Sourdough, farmhouse white or a sturdy seeded loaf can all work. Very airy bread can become soggy when dipped.
Cheese: Use all Cheddar, or combine it with Gruyère, Monterey Jack or Emmental. Choose at least one cheese that melts smoothly.
Fresh herbs: Dried thyme is convenient; use about one-third as much dried as fresh. Add fresh basil at the end instead of roasting it.
Equipment
You need a large roasting tray, a large saucepan or Dutch oven, a stick blender or countertop blender, a chopping board, a sharp knife and a wide frying pan. A baking sheet or heavy pan can press sandwiches lightly as they cook, though it is optional. Use a heatproof jug to measure the stock.
How to Make Creamy Roasted Tomato Soup with Grilled Cheese
Heat the oven. Set it to 220°C conventional / 200°C fan / 425°F. Line a large roasting tray with baking paper if you want easier washing up. The tomatoes need room to roast rather than steam, so use two trays if they are crowded.
Season the vegetables. Arrange the tomatoes cut-side up with the onion wedges and garlic cloves. Drizzle with olive oil, then sprinkle with salt, pepper and thyme. Roast for 30–40 minutes, until the tomatoes have collapsed, their edges are browned and the onion is soft. If the tray looks very wet, roast for another 5 minutes.
Start the soup base. Scrape the tomatoes, onion, garlic and tray juices into a large saucepan. Stir in the tomato purée and cook over medium heat for 1–2 minutes, until it smells sweet and savoury rather than raw.
Simmer with stock. Pour in 500ml of stock to start. Bring to a gentle simmer and cook uncovered for 10 minutes so the flavours come together. Keep the remaining stock nearby in case you want a thinner soup.
Blend safely. Take the pan off the heat. Use a stick blender to purée until smooth, moving it around the pan to catch the onion and tomato skins. If using a jug blender, let the soup cool slightly and blend in small batches; hot liquid expands, so do not fill the jug to the top.
Finish the soup. Return the pan to low heat. Stir in the cream and basil, then taste. Add balsamic if the tomatoes taste particularly sharp, and adjust the salt and pepper. Add more stock until the soup is thick enough to coat a spoon but still easy to sip.
Build the sandwiches. Mix the grated Cheddar and mozzarella with black pepper and optional Dijon. Spread butter thinly over one side of each bread slice. Put four slices butter-side down, divide the cheese over them, then top with the remaining bread, butter-side up.
Cook slowly. Warm a large frying pan over medium-low heat. Cook the sandwiches for 3–4 minutes on the first side, pressing gently with a spatula. Flip once the underside is deep golden and the cheese at the edges is starting to soften. Cook for another 3–4 minutes until the second side is golden and the centre is melted.
Serve straight away. Ladle hot soup into bowls and cut each sandwich in half. Add a swirl of cream or a few torn basil leaves if you like. Keep the soup warm over low heat while the sandwiches cook, but avoid boiling it after the cream goes in.
Important Cooking Tips
Give the tomatoes space. If the tray is crowded, moisture builds up and the tomatoes steam instead of browning. Two trays are better than one packed tray.
Keep the garlic cloves whole. Peeled whole cloves roast gently; chopped garlic can burn before the tomatoes are ready.
Taste before adding all the stock. Tomato water content varies. Start with less liquid and thin the soup after blending.
Add cream after blending. This protects the texture and helps prevent the dairy from splitting.
Grate cheese from a block. It melts more evenly and usually gives a smoother filling than pre-grated cheese.
Cook grilled cheese over moderate heat. High heat browns bread before the centre melts; lower heat gives the cheese time to soften.
Pat mozzarella dry if needed. Excess moisture can make the sandwich wet inside.
Let the sandwich rest briefly. Wait one minute before cutting so the molten cheese settles instead of running onto the board.
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Variations
Smoky tomato soup: Add ½ teaspoon smoked paprika to the tomato purée. Keep the amount modest so the roasted tomato remains the main flavour.
Spicy version: Add a pinch of chilli flakes with the garlic and onion before roasting.
Dairy-free soup and sandwich: Use unsweetened oat cream in the soup and a plant-based melting cheese. Check the bread and cheese labels for allergens.
Chunky soup: Blend only half the vegetables, then stir the rest back in. This gives a rustic texture without making the soup watery.
Pesto grilled cheese: Spread a thin layer of pesto inside each sandwich. Reduce the salt slightly because pesto and cheese both bring salt.
Open-faced toast: Grill cheese on bread slices separately, then float one on each bowl just before eating. Add it at the table so it stays crisp.
What to Serve with Tomato Soup and Grilled Cheese
A simple green salad with a sharp vinaigrette is a good side because it brings freshness and acidity alongside the rich sandwich. Roasted peppers or a small bowl of olives also work, but keep the sides light; the soup and grilled cheese are already filling. If serving children, add carrot sticks or cucumber for a cool crunch.
For a larger lunch, offer extra sourdough and a little grated cheese for the soup. A few croutons are useful if you want crunch without making another sandwich. The soup also pairs well with garlic bread, though that turns the meal into a very cosy, bread-forward supper.
How to Store Leftovers
Store soup and sandwiches separately. Cool the soup promptly in shallow containers and refrigerate it within two hours; UK Food Standards Agency guidance says to eat chilled leftovers within 48 hours or freeze them. Reheat the soup once, until steaming hot throughout, stirring regularly. Add a splash of stock or water if it has thickened in the fridge.
The soup freezes well without the cream. Freeze it in meal-sized portions for up to about three months for best quality, thaw overnight in the refrigerator and reheat gently on the hob. Stir in the cream only after reheating. If it has already been added, the soup may still freeze, but the texture can be less silky after thawing.
Grilled cheese is best eaten fresh. A leftover sandwich can be refrigerated separately and reheated in a dry pan over low heat, turning once until hot and crisp. Do not leave dairy-rich soup at room temperature for extended periods, and discard it if it has been left out too long.
Make-Ahead Instructions
Roast the tomatoes, onion and garlic up to two days ahead, then refrigerate them with their juices. When ready to eat, warm them in a saucepan with tomato purée and stock, simmer and blend. You can also make and freeze the soup base without cream, then thaw and finish it with cream and basil on the day.
Do not assemble grilled cheese sandwiches too far ahead because the bread can absorb moisture from the cheese. Grate the cheeses and mix them in advance, then butter and fill the bread just before cooking. If feeding several people, keep finished sandwiches warm on a wire rack in a low oven for a few minutes while the last ones cook.
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Final Thoughts
Roasting tomatoes is a small extra step that gives this soup a deeper, sweeter flavour than a quick stovetop version. It also makes the kitchen smell wonderful while the rest of dinner comes together. The cream is there to soften the sharp edges, not take over, and the grilled cheese turns a bowl of soup into a satisfying meal.
This is the sort of recipe that can flex with the season. Use peak-summer tomatoes for a brighter soup, or tinned tomatoes when fresh ones are pale and watery. Keep the cheese classic or add a little Gruyère, mustard or pesto. For a lighter lunch, make one sandwich to share and add a salad; for a cold evening, serve a whole sandwich with a generous bowl.
If you make the soup ahead, keep the grilled cheese for the last moment. That contrast between hot silky soup, crisp bread and melted cheese is the reason the pairing has lasted. Save the recipe for a rainy day and let us know which cheese you used.
FAQs
Can I make roasted tomato soup ahead?
Yes. Roast and blend the tomato base up to two days in advance and refrigerate it. Reheat gently on the hob, then stir in cream and basil shortly before serving. The grilled cheese should be cooked fresh because it loses its crisp exterior as it sits. For longer storage, freeze the soup before adding cream.
Can I use tinned tomatoes instead of fresh?
Yes. Use two 400g tins of chopped or whole peeled tomatoes. Drain a little liquid if they are especially watery, then roast them with onion and garlic for 20–25 minutes to develop flavour. Tinned tomatoes are often sharper than ripe fresh tomatoes, so taste after blending and adjust with cream, a pinch of sugar or a little balsamic.
What cheese melts best in grilled cheese?
Mature Cheddar gives a clear savoury flavour, while mozzarella brings stretch. Combining them gives a good balance. Gruyère, Monterey Jack or Emmental also melt well. Grate cheese from a block for a smoother melt, and avoid overfilling the sandwich because excess cheese can leak into the pan before the centre softens.
Why is my tomato soup too acidic?
Tomatoes vary in acidity. A small splash of cream, a pinch of sugar or a teaspoon of balsamic can soften the sharpness. Add only a little at a time and taste between additions. Roasting the tomatoes until their edges brown also deepens their natural sweetness. Avoid adding so much sugar that the soup starts to taste like pasta sauce.
How can I make tomato soup smoother?
Blend thoroughly with an immersion blender, moving it around the whole pot. If you want a very silky texture, pass the blended soup through a fine sieve. A countertop blender can also make a smooth finish, but let hot soup cool slightly and blend in small batches to avoid pressure building under the lid.
Can I make this recipe vegetarian?
Yes. Choose vegetable stock and vegetarian-labelled cheese. Some cheeses are made with animal rennet, so check the label if strict vegetarian suitability matters. The soup itself is naturally meat-free, and the grilled cheese provides enough richness to make it filling. A side salad or garlic bread can round out the meal.
Can I freeze creamy roasted tomato soup?
For the best texture, freeze the soup before adding cream. Cool it in shallow containers, freeze in portions, and thaw overnight in the fridge. Reheat gently, then stir in cream. If you have already added cream, you can still freeze it, but it may separate slightly; whisk or blend briefly after reheating.
What bread is best for grilled cheese?
Choose sturdy bread with an even crumb, such as sourdough, farmhouse white or country bread. Very thin sandwich bread can tear when flipped, while large holes let cheese escape. Slice it about 1.5cm thick, spread butter to the edges and cook over medium-low heat so the bread browns as the cheese melts.
How do I keep grilled cheese crispy?
Use a moderate pan temperature and avoid covering the sandwich for the whole cooking time, because trapped steam softens the bread. Cook slowly, turning once, and serve immediately. If making several sandwiches, rest them on a wire rack in a low oven rather than stacking them; trapped steam makes the undersides soggy.
How long do the leftovers keep?
Refrigerate soup promptly in covered containers and follow local food safety guidance. The UK Food Standards Agency advises eating leftovers within 48 hours or freezing them, and reheating food only once until steaming hot throughout. Store grilled cheese separately and reheat it in a pan. The soup freezes better before cream is added.
More Places to Find Great Recipes
Looking for even more cooking inspiration? These trusted food websites are useful places to discover recipes, techniques and ideas for your next meal.
Allrecipes — Everyday dinners, desserts, baking recipes, slow-cooker meals and extensive reader reviews.
Food Network — Recipes, cooking inspiration and advice from professional chefs and food experts.
Food Standards Agency: Cooking your food — UK guidance on cooking safely.
Food Standards Agency: Using your leftovers — UK guidance on chilling and reheating leftovers.
EDITORIAL SEO NOTES — REMOVE BEFORE PUBLISHING
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Pinterest Descriptions:
Roast ripe tomatoes, onion and garlic until sweet and browned, then blend them into a smooth, creamy tomato soup. Pair each bowl with a golden sourdough grilled cheese filled with Cheddar and mozzarella. This homemade soup-and-sandwich dinner is cosy, satisfying and easy to prep ahead. Save the recipe for a chilly lunch. #TomatoSoup #GrilledCheese #ComfortFood #EasyDinner #SoupSeason #HomemadeSoup
This creamy roasted tomato soup gets its rich flavour from oven-roasted tomatoes and garlic, while a touch of cream keeps the finish smooth. Serve it with crisp grilled cheese for an easy family lunch or weeknight dinner. Make the soup ahead, then cook the sandwiches fresh for the best texture. #RoastedTomatoes #SoupAndSandwich #Cheddar #Sourdough #FamilyMeals #FallRecipes
Looking for an easy comfort food dinner? Try this roasted tomato soup with grilled cheese: ripe tomatoes, onion and garlic are roasted, simmered with stock, then blended until silky. The buttery sandwiches melt Cheddar and mozzarella together for a classic pairing worth saving for cold-weather meals. #TomatoSoupRecipe #GrilledCheeseSandwich #CozyDinner #EasyLunch #ComfortFoodRecipes #SoupIdeas
A bowl of homemade tomato soup and a crispy cheese toastie is simple food at its best. Roasting the tomatoes first adds mellow sweetness, and the soup can be blended smooth or left slightly rustic. Add a salad for lunch or serve a whole sandwich with soup for a cosy supper. Pin this recipe for later. #HomemadeTomatoSoup #CheeseToastie #EasySoup #DinnerInspiration #AutumnFood #FamilyDinner
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