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Beef Pot Roast Soup Recipe (Keto, Low-Carb)

4.5 from 4 votes
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Hearty, chunky, and with just a few net carbs per serving, this low-carb and keto Beef Pot Roast Soup is a meal you can really sink your spoon into!

Back when I owned my own business, we’d make two to three soups from scratch a day. To be honest, this was in Central Texas where the weather never got particularly cold, and where the demand for hot soup wasn’t ever as high as it is in some northern cities.

However, there was one soup that we’d almost always sell out of: Beef Pot Roast Soup. This soup is SO flavorful and filled with SO much chunky goodness, it is a hearty meal in a bowl.

This keto Beef Pot Roast Soup is also pretty forgiving.

See the Chef’s Tips below for ideas on how to change things up, or stick with my basic recipe, and if you want to try something else equally beefy, check out the Beefiest Beef Stew on the Planet, or for a tasty twist on a classic, try this Beef Goulash with Sauerkraut.

HOw to Make Beef Pot Roast Soup Recipe

I use stewing beef in this recipe, but I cut the cubes up small so that they’re easier to eat and so that they cook faster, but you can also use ground beef or another cut of beef.

Brown the beef right in the pot you’re going to cook the soup in – it all adds flavor! Make sure you’ve got a heavy-bottomed soup pot or Dutch oven to cook this in so it doesn’t burn.

Then, add diced onion, carrots (skip the carrots if you’re strict keto), celery, and garlic, and let those cook for a few minutes.

Everything then goes into the pot, except for the mushrooms. Those I add for the last 3-4 minutes of cooking time.

Let it simmer until the beef is tender, then add the mushrooms and let simmer for a few minutes.

Finally, season it with salt and pepper, and that’s it!

For my non-carb family, I’ll add frozen peas to the soup and if they’re being nice to me I’ll even cook up some barley for them to add to their soup. Barley is a big carb, though, so if you’re keto, stay away from the barley!

How To Make Beef Pot Roast Soup in an Instant Pot

This keto Beef Pot Roast Soup can be cooked in an Instant Pot. Here’s how:

  1. Brown the beef on the sautee setting.
  2. Add all the other ingredients, except for the mushrooms.
  3. Pressure cook for 15 minutes on high.
  4. Normal release for 10 minutes, then manual release (carefully!).
  5. Add the mushrooms to the soup, and put it on sautee for 3-4 minutes and let the mixture boil to cook the mushrooms.
  6. Season and serve!

Chef’s Tips

  • For a faster cooking soup, use 1/2-3/4 pound ground beef.
  • Add all your favorite veggies to this soup, not just the ones in the recipe!
  • Freezer-friendly! Make a batch of this soup and freeze individual portions of it for quick lunches and dinners.

What to Serve With This Dish

Soups are pretty much a meal-in-a-bowl, but if you want something to serve with this hearty keto beef recipe, try simple sides like Zucchini Noodles or Cauliflower Rice, or even Grilled Veggies.

Is This Keto Beef Soup Recipe Freezable?

Yes! This soup freezes really well.

To freeze it, simply chill the soup overnight in the fridge. Then, portion it into freezer-safe plastic bags or containers and freeze for up to three months.

To reheat, thaw it in the fridge overnight, then heat it slowly in a pot on the stove or in a microwave-safe dish in the microwave.

Like This? Also Try:

keto beef pot roast soup in a bowl
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4.5 from 4 votes

Beef Pot Roast Soup

Hearty, chunky, beefy and oh-so good, this keto Beef Pot Roast Soup is a delicious meal any time of the year!
Course Soups & Stews
Cuisine American
Keyword beef soup, easy soup, keto soup, keto soup and chowder, keto soup recipe
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 8 servings
Calories 158kcal


  • 1 pound stew beef
  • 2 tbsp oil
  • 8 cups low sodium beef broth
  • 1 cup carrots diced
  • 2 cloves garlic chopped finely
  • 1 cup celery diced
  • 1 cup onions diced
  • 1 cup turnip peeled and diced
  • 1 cup diced tomatoes
  • 2 cups sliced mushrooms
  • 1 tsp dried thyme
  • 1 bay leaf
  • 1 tsp salt
  • 1/4 tsp ground pepper


  • Cut the stew beef into small chunks. Working in batches, brown the stew beef in a skillet over medium-high heat until brown on all sides. Set aside.
  • In the same skillet and with 1 tsp of oil, sautee the garlic, onions, carrot, celery, and turnips. Cook for 3-4 minutes or until starting to soften.
  • Put the beef, veggies, diced tomatoes and liquid, beef broth, bay leaf and 1 tsp of dried thyme into a soup pot. Simmer covered for 20-30 minutes or until the beef is tender.
  • Remove the lid and add the sliced mushrooms. Cook an additional 3-4 minutes until the mushrooms are tender.
  • Season to your liking with the salt and pepper, remove the bay leaf, and serve!



To freeze: Completely cool the soup and portion it into single-serve containers and freeze for up to 3 months. Heat on the stovetop in a pan or in the microwave to reheat and enjoy.


Serving: 1.5cups | Calories: 158kcal | Carbohydrates: 7g | Protein: 18g | Fat: 7g | Saturated Fat: 1g | Cholesterol: 35mg | Sodium: 800mg | Potassium: 950mg | Fiber: 2g | Sugar: 4g | Vitamin A: 2765IU | Vitamin C: 10mg | Calcium: 44mg | Iron: 2mg | Net Carbohydrates: 5g

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed. Erythritol carbs (sugar substitutes) are not included in the carbohydrate counts as they have been shown not to impact blood sugar, and they have zero calories and zero carbs. Net carbs are the total carbs minus fiber.

By Chef Jenn

6 thoughts on “Beef Pot Roast Soup Recipe (Keto, Low-Carb)”

  1. Some of my family coming into town for Christmas is on a keto diet, and this will be a dish I’ll prepare for them. I like it because it’s great if you’re following keto program but super tasty even if you’re not.


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