Nothing screams comfort food quite like the classic tomato soup and grilled cheese combo! Quick, easy, and oh so satisfying.

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How Do You Make the Best Grilled Cheese Sandwich?

The keys to the perfect grilled cheese sandwich are (1) freshly grated cheeses, (2) mayonnaise, and (3) a good quality bread. Adding some mayo to your cheese blend adds an extra creaminess and flavor that you can’t get with just cheese alone; if you haven’t tried it before, you gotta!

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What is The Best Cheese to Use for a Grilled Cheese?

The beauty of a grilled cheese sandwich is you can customize it any way you want to, and there are a ton of different cheese options that work well. But in my opinion, the best cheese pull and flavor comes with a blend of mozzarella, colby jack, and sharp cheddar.

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Ingredient Breakdown:

If you want to make the best tomato soup and grilled cheese, make sure you have the following ingredients:

  • Salted butter
  • Garlic
  • Yellow onions 
  • Fresh basil leaves
  • Dried oregano
  • Dried thyme
  • Red chili flakes
  • Canned san marzano tomatoes
  • Veggie broth (I like the kroger brand)
  • Evaporated milk
  • Heavy cream 
  • Sourdough bread
  • Mayonnaise
  • Shredded cheese blend (I like a blend of mozzarella, colby jack, and sharp cheddar)
sandwich dipped in soup

How to Make Tomato Soup and Grilled Cheese

  1. To make your tomato soup, start by sautéeing your onions in butter until translucent.
  2. Add in garlic and cook for another minute or so, until fragrant.
  3. Add in oregano, thyme, and red chili flakes and cook for another 30 seconds to a minute. (You can also add 1 tbsp of dried oregano leaves at this stage if you’re using dried instead of fresh basil leaves).
  4. Then, add in your canned tomatoes, veggie broth, water, fresh basil leaves and salt, and let the mixture simmer for about 30 minutes on a low heat.
  5. Blend the mixture together with an immersion blender, and then add in your evaporated, mix well, and serve with heavy cream drizzled on top.
  6. To make your grilled cheese, heat your cast iron skillet over medium heat, and then melt your butter in the pan.
  7. In a bowl, mix together your mayo and cheese blend, and then add this blend to the inside of your sourdough bread.
  8. Heat the sandwich until it’s crispy and browned on the outside, and the cheese is melty and gooey on the inside.
final recipe shot
Looking For More Recipes? Check These Out!
Why do you have to use san marzano tomatoes to make tomato soup?

San marzano tomatoes have a distinct flavor that is separate from using fresh tomatoes; they are a bit richer, sweeter, have a firmer pulp that won’t water down your recipe, and make a much tastier soup despite being canned!

Do I need fresh basil for tomato soup?

Nope; you can substitute the basil in this recipe for about 1 tablespoon of dried basil instead.

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Tomato Soup and Grilled Cheese

The ultimate comfort food – a rich and creamy tomato basil soup with the perfect kick!
Servings: 3
tomato soup and grilled cheese
Prep Time: 10 minutes
Cook Time: 40 minutes

Ingredients 

  • 2 tbsp Butter
  • 1 c Yellow Onions, chopped
  • 2.5 tbsp Garlic, chopped
  • 1 tbsp Dried Basil Leaves , (Or a small handful of fresh basil leaves)
  • 1 tsp Dried Oregano
  • 1/4 tsp Dried Thyme
  • 2 tsp Salt
  • 0.5 – 1 tsp Red Chili Flakes, (to taste)
  • 28 oz San Marzano Tomatoes
  • 2 c Veggie Broth
  • 1 c Water
  • 1/3 c Evaporated Milk
  • 3 tbsp heavy cream

Grilled Cheese (Per Serving)

  • 2 slices sourdough bread
  • 1-2 tbsp salted butter
  • 1/4 c shredded cheese blend, (mozzarella, colby jack, and sharp cheddar)
  • 1 tbsp mayo

Instructions 

Tomato Soup

  • Sauté your onions in butter until translucent.
  • Add in garlic and cook for another minute or so, until fragrant.
  • Add dried basil, oregano, thyme, and red chili flakes and cook for another 30 seconds to a minute.
  • Add in your canned tomatoes, veggie broth, water, and salt, and let the mixture simmer for about 30 minutes on a low heat.
  • Blend the mixture together with an immersion blender, and then add in your cream, mix well, and serve.

Grilled Cheese

  • Heat your cast iron skillet over medium heat, and then melt your butter in the pan.
  • In a bowl, mix together your mayo and cheese blend, and then add this blend to the inside of your sourdough bread.
  • Heat the sandwich until it's crispy and browned on the outside, and the cheese is melty and gooey on the inside.

Notes

This is also optional, but I love to garnish my creamy tomato basil soup with some extra cream. For aesthetic (and flavor) reasons, I like to mix the heavy cream or evaporated milk with a little bit of sour cream to thicken it up. This is so when I pour the cream over the soup, it will float on top and look stunning right before serving! You can also add some extra basil for garnish too.
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Shreya Walia

Hi, I’m Shreya Walia — the recipe developer, content creator, and cookbook author behind Shreya’s Kitchen. As a lifelong vegetarian and the author of Make It Meatless (published through DK/Penguin Random House), I’ve spent over a decade developing recipes that make plant-based cooking bold, satisfying, and approachable. I share easy, crave-worthy meals with a community of over 1.3M food lovers on TikTok and Instagram. I believe food should be flavorful and fun — never bland or boring."

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5 from 2 votes

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1 Comment

  1. Ashok says:

    5 stars
    What an amazing recipe, so delicious and instructions are very simple to follow. Will be making lots of soup this winter season ! Love it.