Slow Cooker Tomato Soup with Grilled Cheese Croutons

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!

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?

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.

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.

Recipe Notes:

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

Slow Cooker Tomato Soup with Grilled Cheese Croutons
Serves 6
A creamy tomato soup made in your slow cooker, and garnished with grilled cheese croutons
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Prep Time
20 min
Cook Time
6 hr
Total Time
6 hr 30 min
Prep Time
20 min
Cook Time
6 hr
Total Time
6 hr 30 min
For the Soup
  1. 2 T. butter
  2. 3 (14.5 oz.) cans of fire-roasted diced tomatoes, drained (Reserve the juices for use in the soup.)
  3. 1 onion, minced
  4. 1 T. brown sugar
  5. 1 T. tomato paste
  6. salt and pepper
  7. 2 T. all-purpose flour
  8. 3 c. chicken broth
  9. 2 bay leaves
  10. 1/2 c. heavy cream
  11. 1 T. dry sherry
  12. pinch of cayenne pepper
For the croutons
  1. crusty loaf of French or Tuscan bread, thinly sliced
  2. butter
  3. 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.) 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.)
  4. 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
  1. 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.
Adapted from Slow Cooker Revolution
Adapted from Slow Cooker Revolution
That Susan Williams https://www.thatsusanwilliams.com/

 

 


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