Pasta e Fagioli Soup (Low-Carb)

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Low-Carb Pasta e Fagioli Soup pumps up the flavor with Italian sausage and ground beef and switches pasta for zucchini noodles! This slow cooker soup recipe has 9 net carbs per serving, but see tips in this post to make an even lower-carb version,.

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It’s soup weather in Utah, so I’ve been making soup in the Instant Pot, in the slow cooker, and on the stove! Every winter I love making soup, and since I already have hundreds of soup recipes on the blog, sometimes a new soup recipe has been inspired by an earlier favorite.

This Low-Carb Pasta e Fagioli Soup to make in the slow cooker is a lower-carb and non-vegetarian variation of the Slow Cooker Vegetarian Pasta e Fagioli Soup that I’ve made many times, and many people might have had that famous Italian soup in a restaurant.

And after I switched out the pasta for zucchini noodles I used to call this recipe Zucchini e Fagioli Soup, but it seemed like people didn’t get the joke so I changed the recipe title to something people would recognize! And this no-pasta version of Pasta e Fagioli Soup is also gluten-free!

What ingredients do you need?

(This is only a list of ingredients; please scroll down for complete printable recipe. Or if you use the JUMP TO RECIPE link at the top of the page, it will take you directly to the complete recipe.)

What is Pasta e Fagioli Soup?

The name “Pasta e Fagioli” means pasta and beans in Italian, and there are many variations of this famous Italian soup that combines those ingredients.

How did I make Pasta e Fagioli Soup that’s lower in carbs?

I switched it up in my lower-carb version of this famous soup by adding both ground beef and turkey Italian sausage, replacing the pasta with chopped zucchini noodles, and using fewer beans, which cut down the carbs to 9 net carbs per serving.

How to make this Pasta e Fagioli Soup even lower in carbs:

If you check the nutritional information you’ll see that this is quite low in net carbs, but just eliminate carrots and beans and use more zucchini noodles if you want an even lower-carb version of this tasty soup.

What makes this soup extra flavorful?

Using ground fennel (affiliate link) and Parmesan rind are two things I used to make the flavor outstanding in this soup, and I urge you to use ground fennel when you season the vegetables, and also to add a few chunks of Parmesan rind to the soup when it cooks if you have those ingredients. But even if you don’t have either of those, if you like the flavors in soup like this with tomatoes, Italian sausage, ground beef, garlic, and a touch of spicy, I bet you’ll love this new soup!

How to Make Low-Carb Pasta e Fagioli Soup:

(This is only a summary of the steps for the recipe; please scroll down for complete printable recipe. Or if you use the JUMP TO RECIPE link at the top of the page, it will take you directly to the complete recipe.)

Heat a little olive oil in a non-stick pan; then cook the Italian sausage and ground beef until it’s nicely browned, breaking it apart with a turner as it cooks. Or you can use a potato masher (affiliate link) to break the meat apart, which is what I do!
While the meat cooks, chop the onion and carrots (if using.)
When meat is browned, add it to the slow cooker and lightly saute onions and carrot in the same pan for about 3 minutes. Then add the minced garlic and all the seasonings and cook 1-2 minutes more. Put the vegetable mixture into the slow cooker.
While vegetables are cooking, rinse and drain the beans (if using).
If you’re lucky enough to have some Parmesan rind saved in the freezer, chop up some of that.
Add the drained beans, petite dice tomatoes, beef stock and Parmesan rind (if using), to the soup and cook on high for 2 1/2 to 3 hours, or slightly longer if your slow cooker cooks a bit cooler.
When the soup has cooked for nearly 3 hours, use your preferred method to make zucchini noodles and then coarsely chop the noodles until you have 1 1/2 cups chopped zucchini (or more if you’re omitting beans and/or carrots).
Add the zucchini to the soup and cook 30-45 minutes more (or a bit longer if you want the zucchini to be really soft.
When the soup is done, stir in 2 T balsamic vinegar and season to taste with salt and fresh-ground pepper.
I love this soup with Parmesan cheese added at the table; your choice on that!

More Tasty Soup with Zucchini Noodles:

Weekend Food Prep:

This recipe has been added to a new category called Weekend Food Prep to help you find recipes you can prep or cook on the weekend and eat during the week!

Ingredients

1 lb. ground beef
3 links turkey Italian sausage (see notes)
2 tsp. + 1 tsp. olive oil
1/2 cup chopped carrots
one medium onion chopped small
1 T minced garlic (we used garlic from a jar)
1 tsp. Italian Herb Blend
1 tsp. Spike Seasoning
1 tsp. ground fennel seed
1/2 tsp. ground red pepper flakes (more or less to taste)
one 15 oz. can small red beans, rinsed in a colander and drained (see notes)
8 cups beef broth (see notes)
two 14.5 oz. cans petite diced tomatoes
a few pieces of chopped Parmesan rind if you have them
1 1/2 cup chopped zucchini noodles (see notes)
2 T balsamic vinegar
salt and fresh ground black pepper to taste
freshly grated Parmesan cheese for serving (optional)

Instructions

Heat 2 tsp. olive oil in a large non-stick frying pan (or in the Ninja Cooker), add the ground beef and Italian sausage and cook over medium-high heat until it’s nicely browned, breaking apart with a turner or potato masher (affiliate link) while it cooks.
When it’s browned well, put the meat into the slow cooker.
Add the other teaspoon of oil to the frying pan, add the carrots and onions, and cook about 3 minutes.
Then add the minced garlic, Italian Herb Seasoning (affiliate link), Spike Seasoning (affiliate link), ground fennel, and red pepper flakes and cook about 2 minutes more.
Add the vegetables to the slow cooker.
Add the beef stock or broth, petite diced tomatoes, and drained beans to the slow cooker, with some pieces of Parmesan rind if you’re lucky enough to have some.
Cook on HIGH for 2 1/2 – 3 hours. (The Ninja cooks a little hot, so you might need a little more than 3 hours if you’re using a different slow cooker.)
When the soup has cooked about 3 hours, make zucchini noodles using the method you prefer.
Then coarsely chop the noodles until you have 1 1/2 cups chopped zucchini (or more if you are omitting the beans or carrots.)
Add zucchini to the soup and cook 30-45 minutes more, or until the zucchini is done to your liking.
Remove the Parmesan rind if it hasn’t all dissolved.
Stir in the balsamic vinegar and season soup to taste with salt and fresh ground black pepper. (Taste before salting if you use the Parmesan, because it’s a bit salty.)
Serve hot, with freshly grated Parmesan to add at the table if desired.

Notes

The three links of turkey Italian sausage I used was 12 ounces of sausage; if you want to use the whole package just add about 1/2 cup more beef stock. I used homemade beef stock for this recipe, but if you use canned beef broth just use four 15 oz. cans. See my post on how to make zucchini noodles if you need help with that.

Nutrition Information:

Yield:

Serving Size:

1

Amount Per Serving:
Calories: 270Total Fat: 13gSaturated Fat: 5gTrans Fat: 1gUnsaturated Fat: 7gCholesterol: 66mgSodium: 1412mgCarbohydrates: 12gFiber: 3gSugar: 4gProtein: 25g

Nutrition information is automatically calculated by the Recipe Plug-In I am using. I am not a nutritionist and cannot guarantee 100% accuracy, since many variables affect those calculations.

Low-Carb Diet / Low-Glycemic Diet / South Beach Diet Suggestions:
My Low-Carb Pasta e Fagioli Soup has 9 net carbs per serving. If you want a version with even fewer carbs, skip the carrots and beans and use more zucchini noodles and it will still be delicious! Carrots aren’t recommended for Phase One on the original South Beach Diet, so if you want to eat this for Phase One you should probably omit the carrots (although truthfully I wouldn’t lose sleep over 1/2 cup carrots in 8 servings of soup.)

Find More Recipes Like This One:
Use Soup Recipes to find more recipes like this one. Use the Diet Type Index to find recipes suitable for a specific eating plan. You might also like to follow Kalyn’s Kitchen on Pinterest, on Facebook, on Instagram, on TikTok, or on YouTube to see all the good recipes I’m sharing there.

Historical Notes for this Recipe:
When I made this low-carb variation of Pasta e Fagioli Soup using zucchini noodles to replace the pasta in 2016, I called it Zucchini e Fagioli Soup! But eventually I realized people were not getting the joke and changed the recipe title to something people could recognize in 2023.

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