Keto Instant Pot Broccoli Cheese Soup

4.6 stars, average of 251 ratings

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This 5-ingredient Instant Pot Keto Broccoli and Cheese Soup couldn’t be easier to whip up! It’s savory, cheesy, and all around delicious. All you need to make this creamy low-carb soup is broccoli, onion, cheddar, stock and cream - plus seasoning to taste. Easy peasy keto friendly dish in under 30 minutes!

Instant Pot in not just an electric pressure cooker. I use it to brown and sauté vegetables and meat before pressure cooking. It can even be used as a slow cooker and steamer. It’s a staple kitchen appliance for quick & easy cooking on a lchf diet.

One serving will provide a good amount of electrolytes - sodium, magnesium and potassium - all of which are important during the initial phase of the ketogenic diet and help you avoid the symptoms of keto flu.

It’s one of those keto recipes you will make over and over again!

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Hands-on Overall

Nutritional values (per serving, about 2 cups/ 480 ml)

Net carbs8.2 grams
Protein21 grams
Fat46.7 grams
Calories544 kcal

Calories from carbs 6%, protein 16%, fat 78%

Total carbs10.5 gramsFiber2.2 gramsSugars4.1 gramsSaturated fat27.6 gramsSodium1,020 mg(44% RDA)Magnesium46 mg(12% RDA)Potassium591 mg(30% EMR)

Ingredients (makes 4 servings)

  • 1 large head broccoli, stalk removed and cut into florets (260 g/ 9.2 oz)
  • 1 cup diced onion (114 g/ 4 oz)
  • 2 cups sharp grated cheddar cheese (226 g/ 8 oz)
  • 1 tsp sea salt, or to taste
  • 1/2 tsp black pepper
  • 4 cups chicken stock or vegetable stock (~ 1 L)
  • 1 cup heavy whipping cream (240 ml)

Note: Recipe makes 4 regular servings (served as mains) but can be stretched up to 8 small servings (served as appetizers).

Instructions

  1. Place the broccoli florets, diced onion, grated cheddar, salt and pepper in the Instant Pot.
    Keto Instant Pot Broccoli Cheese Soup
  2. Add the chicken or vegetable stock. Cover with lid making sure the seal is set to sealed, not venting. Press Manual, and set to high pressure for 7 minutes. Keto Instant Pot Broccoli Cheese Soup
  3. Once the time is up quick release the valve. Keto Instant Pot Broccoli Cheese Soup
  4. Transfer 1 cup of the soup to a blender with the heavy cream. Keto Instant Pot Broccoli Cheese Soup
  5. Place in a blender and process until smooth. Then add the blended mixture back to the Instant Pot. Press cancel and then Sauté. Keto Instant Pot Broccoli Cheese Soup
  6. Bring the soup to a simmer for 4-5 minutes until thickened. Keto Instant Pot Broccoli Cheese Soup
  7. Taste and season with more salt and pepper if needed. Serve immediately or let it cool down and store in the fridge. Keto Instant Pot Broccoli Cheese Soup Refrigerate leftovers in a covered glass container or jar for up to 4 days. Keto Instant Pot Broccoli Cheese Soup

Ingredient nutritional breakdown (per serving, about 2 cups/ 480 ml)

Net carbsProteinFatCalories
Broccoli, fresh
2.6 g1.8 g0.2 g22 kcal
Onion, white, fresh
2.2 g0.3 g0 g11 kcal
Cheese, cheddar
1.7 g12.9 g18.8 g228 kcal
Salt, sea salt
0 g0 g0 g0 kcal
Pepper, black, spices
0.1 g0 g0 g1 kcal
Chicken stock (broth), chicken only, homemade
0 g4.8 g4.8 g62 kcal
Cream, heavy whipping, pouring, full-fat (30-40% fat)
1.6 g1.1 g22.8 g220 kcal
Total per serving, about 2 cups/ 480 ml
8.2 g21 g46.7 g544 kcal
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Lauren Lester
Creator of Healthful Creative

Lauren Lester

Lauren is a food photographer, recipe developer, and author.

She is the founder of the creative content agency, Healthful Creative. HC specializes in helping food centered brands share their story through recipe development + food photography.

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Comments (18)

I have two questions about the directions. When I click Saute, do I have to reseal it? Also, my timer came on for 30 minutes. Is saute-ing the same as simmer? Thank you!

Reply

You won't need to reseal (step 5) but I seem to remember there are 3 different levels on the "Saute" setting and I usually select the middle option. I just press "stop" when the meal is cooked but it does have a timer. I haven't seen and instant pot with "simmer" option but I assume it is. You may have to check the manufacturer's instructions as I'm travelling and don't have my Instant Pot with me now 😊

Reply

Used the IP to thaw my broth, so it was already hot, and then the IP wasn't sealed correctly, by the time I got that sorted the broccoli was cooked already without pressure, LOL. Added a little cheese, which stayed in little chunks for some reason, anyone know how to make it melt smoothly? Regardless, it was delicious, and so very very easy! Too salty (in a guilty but good way), but that may be very well be due to my homemade broth I used.

Reply

Thank you Angela! I think it depends on the cheese - some of them don't melt completely so you may end up with a few chunks. We did too - it wasn't 100% smooth 😊 You could blend the cheese together with part of the soup - that should make it smooth enough. I'm glad you enjoyed!

Reply

I tried this recipe out today. My husband has been obsessed with broccoli cheddar soup lately and I decided to try this recipe out. Not only was it easy but it was delicious too. Thank you for sharing.

Reply

Thank you Karen, I'm glad you both enjoyed!

Reply

Hi just made this as I have flu but it is very thin. Is there any way of thickening this? Tastes amazing by the way

Reply

Hi Jane, I think you could add a little more broccoli or cauliflower and part-blend it. Or (but this is a little more involved), you could use egg yolks like I did in this recipe: Best Low-Carb Instant Pot Beef Stew

Reply

This was very flavorful. I added about 1/2 a tsp of Flavor God Cajun Lovers & doubled the recipe in my IP. It wasn't spicy at all with that amount. My soup turned out pretty thin even after pureeing all the broccoli with my immersion blender. I may try reducing the broth by 1/4 if my kids would prefer it thicker. It's a great drinkable soup as it is right now. We really have too much fun with drinking meals out of mugs sometimes.

Reply

Thank you for your feedback! You could try reducing it or use some of the tips from the comment above 😊

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Can you make this without an instant pot?

Reply

Absolutely! It will just take a little longer to cook (15 minutes once boiling) but you can make it in a regular pot.

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Just made this!!! Wow! Will be a staple for me now.

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Just made this this morning. I also added 2 cloves of garlic and did not dice the onion, just quartered it. I like to blend it all up so it was  not necessary to dice the onion. It was delicious! thank you.

Reply

Pam, thank you for the lovely feedback!

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Hi, what if I don't have Instant Pot? Can it be done in pot or slow cooker? Thank you

Reply

Yes, it can! I've used my slow cooker for a similar recipe. Just cook all the ingredients (apart from the cream and cheese) and cook on high for 2-3 hours. Then add the cream and process (until smooth or chunky) using an immersion blender.

Reply

Just made one! wow taste amazing ;) thanks for awesome recipe

Reply