Minestrone Soup

by KetoFocus.com

This minestrone soup is the best low-carb comfort soup for a chilly day! Instead of kidney beans or great northern beans, this recipe uses a unique, low carb bean – the lupini bean. This keto minestrone soup has a deep umami flavor thanks to the parmesan cheese rind that is simmered in the soup base.

Subscribe to the KetoFocus YouTube Channel

With 100s of videos and millions of views, Ketofocus is one of the most popular Keto channels on YouTube.

Vegetable Minestrone Soup Ingredients

  • 2 slices bacon, diced or 2 tablespoons olive oil
  • 1/2 cup diced onions
  • 1/2 cup diced carrots
  • 3 stalk celery, diced
  • 2 medium zucchini, diced
  • 28 oz can whole tomatoes
  • 4 cup chicken broth, vegetable broth or water
  • 1 parmesan cheese rind, about 1x4”
  • 1 cup cauliflower rice
  • 1 cup lupini beans
  • 3 cups spinach leaves

Minestrone Soup Directions

  • Minestrone Soup
  • Keto Minestrone Soup Recipe

    a spoonful holding a soup with a bunch of vegetables

    They say soup is good for the soul, and wow, is that true for this keto minestrone soup! This minestrone soup is made with delicious vegetable medley that are lower in carbs, such as zucchini, celery, onions, and a little bit of carrots. We use lupini beans as a tasty replacement since great northern beans or kidney beans are high in carbs! Lupini beans are keto-approved and mostly made out of fiber. The base for this vegetable broth soup is made from canned whole tomatoes, and the soup gets a delicious umami flavor from the rind of parmesan cheese. Make this hearty keto minestrone soup recipe with my keto rolls for the ultimate bowl of comfort or enjoy with a low carb grilled cheese.

    For the parmesan rind, just find a wedge of parmesan cheese in the deli section of your grocery store. Look for one that has the rind (or edge of the cheese wheel) intact. Cut that piece off and use it in your soup. You can grate the parmesan cheese on your vegetable minestrone soup when you are ready to eat! It’s better than Olive Garden Minestrone Soup!

    a big bowl of vegetable minestrone soup

    Lupini Beans - The Keto Bean

    Lupini beans, or lupin beans, are nutritious, low-carb, yellow legumes. These beans are considered a ‘cardioprotective’ food because of their health benefits for your heart and your stomach. Lupini beans are a popular replacement for beans on a low carb diet. These beans are high in fiber, meaning they are low in net carbs. In fact, there are only 2 grams of net carbs in 1/4th cup of lupini beans. Of course, if you don’t have access to lupin beans, you can omit them completely or if you are not concerned about keeping your carbs low, then use kidney or northern beans.

    Keto Vegetables in Soup

    The best part about making this minestrone soup recipe is you can customize it by adding all of your favorite low-carb vegetables. Besides the vegetable mix that are mentioned above, you can add basil or bell pepper for a more aromatic soup. You can even add cauliflower, summer squash, green bean, broccoli, and asparagus for more texture and flavor! Really, just throw in any of your sorry looking, leftover vegetables that you have in the refrigerator.

    If you are trying to keep your carbohydrates as low as possible, you can omit the carrots since they are a little higher in carbs and even just use half the amount of whole tomatoes.

    two bowls of minestrone soup in white cast iron bowls


    Make this minestrone soup your own. Depending on what vegetables or legumes you have access to, the soup will probably change every time you make it. Here are some ingredient substitutions you may try when making your keto minestrone soup:

    • Lupini Beans – Besides swapping in your favorite low-carb veggies, you can also omit the lupini beans if you have difficulty finding them in the grocery stores. Try adding a low-carb noodle such as zucchini noodles or zoodles in its place.
    • Tomatoes – You can  decrease the amount of tomatoes in your minestrone soup to lower the carb count. Add more chicken broth or water in place of the tomatoes. If you can’t find whole tomatoes, diced tomatoes or crushed tomatoes will work in a pinch.
    • Cauliflower Rice – If you aren’t a fan of cauliflower, try using broccoli instead or hearts of palm rice.
    • Pasta – Some minestrone soup recipes have pasta in them. If you don’t want to use regular noodles since they are high in carbohydrates, you can use keto pasta instead. Natural Heavens makes a delicious pasta that is low carb.

    Soup Storage

    Store any leftover minestrone soup in the refrigerator for up to 5 days. This keto soup is also freezer friendly. Simple store in a ziploc bag or freezer safe container and freeze for up to 3 months. To reheat, thaw in the refrigerator the night before or defrost in the microwave for a few minutes before reheating on the stove top. You can even reheat your soup in the instant pot. Just make sure you add a 1/2 cup of water if your soup is still frozen just so you don’t get a burn notice.

    Nutritional information & Macros

    Nutrition Information

    Minestrone Soup

    Servings: 8

    Amount Per Serving
    Calories 112
    Fat 2.2g
    Protein 8.6g
    Total Carbs 10.7g
    Net Carbs 8.1g

    Other Keto Dinner Recipes

    Crispy bang bang chicken on top of cauliflower rice next to avocado, cucumber and topped with sauce and sesame seeds.
    20 Mins
    Keto Bang Bang Chicken

    Crispy, creamy, spicy - make this easy keto bang bang chicken recipe with just a few ingredients and without adding sugar.

    See the Recipe
    Baked ziti pasta with ground beef and cheese on a plate.
    60 Mins
    Keto Baked Ziti

    Enjoy the ultimate comfort food while staying low carb with this take on the Pioneer Woman's most-loved recipe, baked ziti. This keto baked ziti...

    See the Recipe


    1. Do you have to peel the lupini beans? The bean usually has a hard casing on them? I haven’t made yet, so will come back to give rating after.

    2. We replicated this recipe this evening for dinner and found it to be a wonderful, low carb minestrone soup. This was also our first time using lupini beans and found them in this recipe a little more crunchy than expected. I am uncertain as this is the first time I’ve used them whether they would soften if put in during the 20 minute simmer. The other big change we made was instead of bacon. We browned up diced spam and I felt that it should have gone in with the with the cauliflowered rice and so the next time we do this recipe I will try that out and get back with you. Thanks for the recipe!

      1. Mine weren’t crunchy. Not as soft as a regular bean. You can always cook it longer and I’m sure they will soften up. Glad you liked the recipe!

    3. Delicious soup. The beans were hard and will have the cook (hubby) leave out next time. They came in a jar and we were surprised how hard they were. The bean hardness did not detract from the rest of the delicious soup. Cook made a double batch. The leftover soup had softer beans after freezing. My daughter liked the beans from the get go. Go figure.

    4. Good flavor. Like others have said, the beans were hard and not especially tasty even cooking them longer. I had to salt and pepper quite a bit. I also threw in orange and yellow bell pepper and a few chopped up radishes. I used a cauliflower/broccoli rice blend. Will be nice to have a hot lunch this week!

    Leave a Reply

    Your email address will not be published. Required fields are marked *