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Tomato Soup and Grilled Cheese Casserole

Tomato Soup and Grilled Cheese Casserole

A comforting casserole that combines the classic flavors of tomato soup and grilled cheese into one delicious, all-in-one dish.
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Prep Time 30 minutes
Cook Time 40 minutes
Total Time 1 hour 10 minutes
Servings: 6 servings
Course: Comfort Food, Main Course
Cuisine: American
Calories: 480
Ingredients Method Notes

Ingredients
  

For the Tomato Soup Base
  • 2 pounds fresh tomatoes or 28 ounces canned tomatoes If using fresh tomatoes, blanch and peel them for best texture.
  • 1 tablespoon tomato paste Adds depth to the soup.
  • 1 teaspoon sugar Balances acidity.
  • 2 cups vegetable or chicken broth Use low-sodium for better flavor control.
  • 1 yellow onion diced For aromatic flavor.
  • 2 cloves garlic Minced for depth of flavor.
  • 2 tablespoons butter Adds richness to the soup.
  • 1 cup heavy cream Adds richness to the soup.
  • ¼ cup fresh basil Chopped for flavor.
  • ½ teaspoon black pepper Freshly ground for subtle heat.
  • 1-2 teaspoons salt To taste, start with half.
  • 1 pinch red pepper flakes For gentle warmth.
For the Grilled Cheese Components
  • 8 slices sourdough bread Lightly toasted to maintain structure.
  • 1 cup mild cheddar cheese Shredded for melting.
  • 1 cup Gruyere cheese Shredded for melting.
  • 2 tablespoons butter Softened for spreading.
  • 2 tablespoons mayonnaise Optional for crispiness.

Method
 

Prepare the Tomato Soup Layer
  1. Melt butter in a medium pot over medium heat, add diced onion, garlic, and sauté until soft.
  2. Add tomatoes, broth, tomato paste, and sugar; bring to a boil and simmer for 30-40 minutes.
  3. Blend until smooth and stir in heavy cream, adjusting seasonings as needed.
Prepare the Grilled Cheese
  1. Butter one side of each slice of bread, grill in a skillet until golden brown but not completely melted.
  2. Remove from skillet and assemble with cheese in between two slices.
Assemble the Casserole
  1. Preheat oven to 375°F. Grease a 9x13-inch baking dish.
  2. Spread 1 cup of the soup into the bottom of the dish.
  3. Layer grilled cheese sandwiches over soup, topping with additional soup and shredded cheese.
  4. Repeat layering until all ingredients are used, finishing with cheese on top.
  5. Cover with aluminum foil and bake for 20 minutes; uncover and bake for an additional 10-15 minutes.
  6. Let rest for 5-10 minutes before serving.

Notes

This casserole can be made ahead of time and baked when ready. Perfect for a family dinner or gathering.