Easy Tomato Soup Grilled Cheese

Featured in: Weeknight Dinners

This comforting dish combines a creamy, herb-infused tomato base with layers of grilled cheese sandwiches arranged in a casserole dish and baked to golden bubbly perfection. The rich tomato mixture simmers with olive oil, garlic, basil, and oregano before being enriched with cream. Meanwhile, buttery sourdough bread is layered with sharp cheddar and mozzarella, grilled until golden, then layered into the casserole. A simple bake finishes the dish, creating a warm, family-friendly main that is both hearty and flavorful.

Updated on Wed, 12 Nov 2025 16:12:00 GMT
Easy Tomato Soup & Grilled Cheese Casserole Bake bubbling golden brown in a casserole dish. Save to Pinterest
Easy Tomato Soup & Grilled Cheese Casserole Bake bubbling golden brown in a casserole dish. | yummywithmia.com

A comforting, family-friendly casserole combining creamy tomato soup with layers of buttery, cheesy bread, baked to golden perfection.

I first made this casserole on a chilly weekend when my kids couldn&t decide between soup or sandwiches. Baking both together became our new favorite way to enjoy these classic flavors, and now we request it on cozy nights in.

Ingredients

  • Olive oil: 2 tablespoons for sautéing vegetables
  • Onion: 1 medium, finely chopped
  • Garlic: 2 cloves, minced
  • Crushed tomatoes: 2 cans (14 oz each)
  • Vegetable broth: 2 cups
  • Sugar: 1 teaspoon
  • Dried basil: 1 teaspoon
  • Dried oregano: 1/2 teaspoon
  • Salt: 1/2 teaspoon
  • Black pepper: 1/4 teaspoon
  • Heavy cream: 1/2 cup
  • Sourdough or country bread: 8 slices
  • Unsalted butter: 4 tablespoons, softened
  • Sharp cheddar cheese: 2 cups (8 oz), shredded
  • Mozzarella cheese: 1 cup (4 oz), shredded

Instructions

Prepare Oven and Casserole Dish:
Preheat oven to 375°F (190°C). Grease a 9x13-inch casserole dish.
Make Tomato Soup:
Heat olive oil in a large pot over medium heat. Add onion and cook until softened, about 4 minutes. Stir in garlic and cook 1 minute more. Add crushed tomatoes, vegetable broth, sugar, basil, oregano, salt, and pepper. Simmer uncovered for 10 minutes. Remove from heat and stir in the heavy cream.
Butter Bread and Assemble Sandwiches:
Spread softened butter on one side of each bread slice. Top 4 slices, butter-side down, with cheddar and mozzarella. Cover with remaining bread, buttered side up, to make 4 sandwiches.
Grill Cheese Sandwiches:
Heat a skillet over medium. Grill sandwiches 2–3 minutes per side until golden brown. Cool slightly, then cut each sandwich into quarters.
Layer Casserole:
Pour half the tomato soup into casserole dish. Arrange half the sandwich pieces over soup. Pour remaining soup, then top with remaining sandwiches.
Bake and Finish:
Bake uncovered 20–25 minutes until bubbly and golden. Let stand 5 minutes before serving.
Warm, cheesy Easy Tomato Soup & Grilled Cheese Casserole Bake, perfect for a cozy weeknight meal. Save to Pinterest
Warm, cheesy Easy Tomato Soup & Grilled Cheese Casserole Bake, perfect for a cozy weeknight meal. | yummywithmia.com

My family requests this casserole every time cold weather rolls in. There&s something so comforting about the crispy cheesy bread soaking up warm tomato soup, and we always end dinner feeling happy and satisfied.

Required Tools

Large pot, skillet, 9x13-inch casserole dish, knife, cutting board, spatula

Allergen Information

Contains wheat and milk. Check bread and cheese labels for hidden soy or other allergens if needed.

Nutritional Information

Per serving: 440 calories, 25 g fat, 38 g carbohydrates, 15 g protein

A close-up view of the delicious layers of Easy Tomato Soup & Grilled Cheese Casserole Bake, ready to serve. Save to Pinterest
A close-up view of the delicious layers of Easy Tomato Soup & Grilled Cheese Casserole Bake, ready to serve. | yummywithmia.com

Enjoy this comforting bake straight from the oven with your favorite salad. It&s cozy, satisfying, and guaranteed to warm you up.

Common Recipe Questions

How do I prevent the bread from becoming soggy?

Grilling the sandwiches before layering helps to keep the bread crisp. Also, spreading butter on the bread adds a protective barrier that resists soaking.

Can I substitute the cheeses?

Gruyère or provolone can be used as alternatives to cheddar and mozzarella for a different flavor profile while maintaining meltiness.

What herbs enhance the tomato base?

Dried basil and oregano add aromatic depth and complement the richness of the tomato and cream mixture well.

Is there a way to add spice to this dish?

Adding a pinch of red pepper flakes to the tomato base before baking introduces a gentle heat without overpowering the flavors.

Can this be made gluten-free?

Using gluten-free bread options works well and preserves the texture of the casserole while catering to dietary needs.

What side dishes pair well?

A light salad or crisp white wine complements the richness of the tomato and cheesy bread layers beautifully.

Easy Tomato Soup Grilled Cheese

A cozy casserole with creamy tomato base and layers of buttery, melted cheese bread baked to perfection.

Prep Time
15 minutes
Cooking Duration
35 minutes
Overall Time
50 minutes
Created by Mia

Recipe Type Weeknight Dinners

Skill Level Easy

Culinary Origin American

Total Output 6 Portion Size

Dietary Preferences Vegetarian-Friendly

What You'll Need

Tomato Soup

01 2 tablespoons olive oil
02 1 medium onion, finely chopped
03 2 garlic cloves, minced
04 28 ounces crushed tomatoes (2 cans, 14 oz each)
05 2 cups vegetable broth
06 1 teaspoon sugar
07 1 teaspoon dried basil
08 1/2 teaspoon dried oregano
09 1/2 teaspoon salt
10 1/4 teaspoon black pepper
11 1/2 cup heavy cream

Grilled Cheese Layer

01 8 slices sourdough or country bread
02 4 tablespoons unsalted butter, softened
03 2 cups shredded sharp cheddar cheese (8 oz)
04 1 cup shredded mozzarella cheese (4 oz)

Steps to Follow

Step 01

Prepare Oven and Dish: Preheat oven to 375°F. Lightly grease a 9x13-inch casserole dish.

Step 02

Cook Aromatics: Heat olive oil in a large pot over medium heat. Sauté chopped onion for 4 to 5 minutes until softened, then add minced garlic and cook for 1 minute more.

Step 03

Simmer Soup Base: Add crushed tomatoes, vegetable broth, sugar, dried basil, dried oregano, salt, and black pepper. Simmer uncovered for 10 minutes, stirring occasionally.

Step 04

Finish Soup: Remove pot from heat and stir in heavy cream. Adjust seasoning to taste.

Step 05

Prepare Bread for Sandwiches: Spread softened butter on one side of each bread slice.

Step 06

Assemble Sandwiches: Place 4 buttered bread slices butter-side down on a cutting board. Top evenly with shredded cheddar and mozzarella cheeses. Cover with remaining bread slices, butter-side up, creating 4 sandwiches.

Step 07

Grill Sandwiches: Heat a large skillet over medium heat. Grill each sandwich for 2 to 3 minutes per side until golden brown. Allow to cool slightly, then cut each sandwich into quarters.

Step 08

Layer Casserole: Pour half of the tomato soup into the prepared casserole dish. Arrange half of the sandwich quarters evenly over the soup. Pour remaining soup over the sandwiches, then top with the remaining sandwich pieces.

Step 09

Bake: Bake uncovered for 20 to 25 minutes until the casserole is bubbly and golden on top.

Step 10

Rest Before Serving: Let the casserole stand for 5 minutes before serving to allow flavors to settle.

Tools Required

  • Large pot
  • Skillet
  • 9x13-inch casserole dish
  • Knife and cutting board
  • Spatula

Allergy Warnings

Please review individual ingredients for potential allergens and reach out to a healthcare professional if unsure.
  • Contains wheat (bread) and dairy (cheese, butter, cream).
  • May contain soy depending on bread or cheese brand.

Nutritional Info (per serving)

These details are for reference only and shouldn't replace professional medical consultation.
  • Calories Count: 440
  • Fats: 25 grams
  • Carbohydrates: 38 grams
  • Proteins: 15 grams