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Slow Cooker Tomato Soup with Grilled Cheese Croutons

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What says comfort food on a chilly day more than a steaming bowl of Tomato Soup and a Grilled Cheese Sandwich? But isn’t there a better way to achieve comfort than by opening a can? What if that wonderful aroma of soup, simmering, wafted through your cozy house for hours?

Slow Cooker Tomato Soup with Grilled Cheese Croutons is delicious comfort food, on a chilly day! #slowcooker #soup #tomatosoup #grilledcheese

Slow Cooker Tomato Soup with Grilled Cheese Croutons is delicious comfort food, on a chilly day!

The Best Tomato Soup I’ve Ever Had

You know me: I’m all about providing you with the most delicious recipe for any menu item that I’ve ever found, and I’ve been cooking for a long time! I’m so excited to share this delicious tomato soup recipe with you, because it’s not only MY favorite tomato soup recipe, it’s become the favorite of many of my friends, as well!

Spring’s failure to arrive this year has left me wondering if winter has stabbed it through its tender heart with an icicle. All these cold evenings leave me longing for a steaming bowl of creamy homemade soup that warms my body and soul.

Tomato soup and a grilled cheese sandwich was what Mom used to warm up my tummy after a long morning of playing in the snow. But back then,  tomato soup meant a thin bowl of canned Campbell’s. And the grilled cheese was nearly always those plasticized American singles, on white sandwich bread.  

I think we can do a little better than that.

tomato soup-3

Wholesome and delicious, this soup is the perfect comfort food.

One of the things I adore about this delicious recipe is that it uses an appliance I don’t utilize often enough: my slow cooker! I found the original recipe in my Cook’s Illustrated Slow Cooker Revolution cookbook. So as I was thinking about ways to improve the recipe, I had a flash of inspiration.

The Inspiration that Makes This Soup Special

Why not turn a grilled cheese sandwich into croutons?

I wanted to make the world’s BEST croutons for tomato soup:  crunchy on the outside…creamy on the inside! To make my grilled cheese the best it could be, I used a good quality, crusty French bread that I like, and sliced it thin. And I used my favorite cheddar,  Seriously Sharp Cheddar from Cabot Cheese. It is tangy, nutty, and complex in flavor, and its taste added so much to the flavor of this dish.

grilled cheese

Grilled Cheese Sandwiches made with Cabot Seriously Sharp Cheddar Cheese, being cut into croutons.

Why This Slow Cooker Tomato Soup is So Delicious:

This soup gets its depth of flavor from the step where you caramelize the tomatoes: that is, you cook them until they are nearly dry and beginning to brown. When food browns, it brings out the natural sugars in it. And as Chef Anne Burrell says, “Brown food tastes good!”. 

You can use regular diced tomatoes, but I find the fire-roasted tomatoes add a nice depth of flavor, so that’s what I use.

I also use my own homemade chicken broth. I make up a large batch and store it in approximately 2 or 3 cup portions in my freezer. You can certainly use store bought chicken broth, but your soup will only be better if you’ve made your own. You can use any type of cheese that you like for a grilled cheese, but I used Cabot Seriously Sharp, and it is seriously good. 

Because I am a PROUD member of the Cabot Cheese Board, they sent me a box of 4 types of their cheeses to try, a few months ago. But I made this recipe with Cabot Cheese that I purchased on my own, since then, because I love their cheese. So I actually received no product, nor financial compensation whatsoever for this post. I just like Cabot’s cheddar. So stick THAT in your sandwich and melt it. 😀

Slow Cooker Tomato Soup with Grilled Cheese Croutons is delicious comfort food, on a chilly day!

Slow Cooker Tomato Soup with Grilled Cheese Croutons is delicious comfort food, on a chilly day!

The Recipe for Slow Cooker Tomato Soup with Grilled Cheese Croutons

Yield: 6 servings

Slow Cooker Tomato Soup with Grilled Cheese Croutons

Easy Creamy Homemade Slow Cooker Tomato Soup with Grilled Cheese Croutons

A creamy tomato soup made in your slow cooker, and garnished with grilled cheese croutons.

Prep Time 20 minutes
Cook Time 6 hours
Total Time 6 hours 20 minutes

Ingredients

  • FOR THE SOUP:
  • 2 T. butter
  • 3 (14.5 oz.) cans of fire-roasted diced tomatoes, drained (Reserve the juices for use in the soup.)
  • 1 onion, minced
  • 1 T. brown sugar
  • 1 T. tomato paste
  • salt and pepper
  • 2 T. all-purpose flour
  • 3 c. chicken broth
  • 2 bay leaves
  • 1/2 c. heavy cream
  • 1 T. dry sherry
  • pinch of cayenne pepper
  • FOR THE CROUTONS:
  • 12 thin slices of a crusty loaf of French or Tuscan bread,
  • 4 T. butter
  • 8 oz. Cabot Seriously Sharp Cheddar Cheese

Instructions

  1. Melt butter in a 12" skillet over medium-high heat. Add tomatoes, onion, sugar, tomato paste and 1/2 t. salt and a few grinds of pepper, and cook until tomatoes are dry and lightly browned. Your goal here is to caramelize the tomatoes, a bit, and this will take about 10 minutes. Stir in the flour, and cook for 1 minute. Slowly whisk in 1 cup of the broth, scraping up any browned bits in the pan. Transfer everything to your slow cooker.
  2. Stir remaining 2 c. chicken broth, the tomato juice you drained from the tomatoes, and bay leaves into slow cooker. Cover and cook until tomatoes begin to break down, 4 to 6 hours on low, depending on how high your slow cooker tends to cook. (I left my soup on Low for 6 hours, and that was fine: but my slow cooker doesn't tend to burn things, so your mileage may vary.)
  3. Discard bay leaves. Working in batches, purée soup in blender until smooth. I used my Vitamix. (Do not put too much hot liquid into a blender! I only fill my Vitamix about 1/3 full when I'm puréeing hot liquids, just to be safe.) An immersion blender or a food processor would also work.
  4. Pour each batch of puréed soup into a large saucepan, and Stir in cream, sherry, and cayenne. You may add additional chicken broth at this time, if you prefer a thinner soup, (I didn't.) Re-heat soup over medium low heat, until hot, and taste for seasoning, adding more salt or pepper, if desired. (Mine needed a bit more salt.)
  5. Butter the slices of bread on what will be the outside of the sandwich, and apply as much cheese as you like. Grill sandwiches until you have a lovely brown color, and slice into approximately 1" cubes. I served my grilled cheese croutons on the side of the bowl, so that I could add one at a time, because I didn't want them to get soggy by adding them all at once. Each to her own, however.

Notes

I have also made this successfully on my stove top. Simmer soup on low for about an hour.

You can use regular diced tomatoes, but I find the fire-roasted tomatoes add a nice depth of flavor, so that's what I use. I also use my own homemade chicken broth. I make up a large batch and store it in approximately 2 or 3 cup portions in my freezer. You can certainly use store bought chicken broth, but your soup will only be better if you've made your own. You can use any type of cheese that you like for a grilled cheese, but I used Cabot Seriously Sharp, and it is seriously good.homemade chicken broth.

Nutrition Information:

Yield:

6

Serving Size:

1

Amount Per Serving: Calories: 378Total Fat: 32gSaturated Fat: 19gTrans Fat: 1gUnsaturated Fat: 10gCholesterol: 93mgSodium: 931mgCarbohydrates: 12gFiber: 1gSugar: 5gProtein: 12g
If you’d like to check out some more possibilities for cold weather meals, I’ve got some more great soups. My family loves my Wild White Turkey Chili. Slow Cooker Chicken and Dumplings is also good, down home comfort food, with a slight gourmet twist. And my Flu Fighter Soup (Chicken Soup with Greens and Garlic) is one of my most popular recipes. It will help keep your family’s immune system built up all winter long.

 

Carol Cassara

Monday 10th of March 2014

yum. and again. will be trying! My recent post Roosting roosters + vegetarianism

sharongreenthal

Monday 10th of March 2014

My husband and kids love tomato soup. May have to make it for our mini-reunion this weekend! My recent post 25 Ways You Know You Were a Parent in the 90′s

Andrea B

Sunday 9th of March 2014

Grilled cheese CROUTONS?

Omgosh. This sounds like heaven. I love the idea.

And my husband loves tomato soup so I'll have to pin this for future reference! My recent post Moments are memories.

Candace @ Cabot

Thursday 6th of March 2014

Oh my goodness! This is just swoon worthy…and perfect for our New England non-spring!

Christi P.

Thursday 6th of March 2014

Um, could I get a double order of the grilled cheese croutons, please? :)

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