Instant Pot Cauliflower Potato Soup
Instant Pot Cauliflower Potato Soup (Lower Carb Potato Soup): comforting, thick cauliflower soup is smooth, yet stacked with layers of umami flavors. A budget-friendly, low-carb Instant Pot Soup!

- Prep time
- 12 min
- Cook time
- 28 min
- Yield
- 4 servings
- Difficulty
- MEDIUM
Ingredients
Quantities are shown as originally provided.
- 1 head cauliflower (, floret)
- 2 small red potatoes (, chunked)
- 4 cups (1L) unsalted chicken stock
- 6 cloves garlic (, minced)
- 6 slices bacon (, chopped)
- 1 medium onion (, diced)
- 1 cup (250ml) heavy cream
- 2 bay leaves
- 2 stalks green onions (, chopped)
- 2 tablespoons (30ml) fish sauce ((optional))
- Freshly grated Parmesan cheese ((optional))
Instructions
- 1
Crisp Bacon: Place chopped bacon in your Instant Pot, then turn heat to medium (press "Sauté" button). Stir occasionally, then allow the bacon bits to crisp (~4 mins). Remove bacon bits from Instant Pot, then place them on a paper towel to absorb the excess fat.
- 2
Sauté Onion, Garlic, Green Onions: Sauté onions in bacon fat for ~1 – 2 mins until softened. Add in garlic and half of the green onions. Season with a pinch of kosher salt and pepper. Sauté until fragrant.
- 3
Deglaze: Pour ~⅓ cup (100ml) unsalted chicken stock. Scrub all the brown bits off the bottom of the pot with a wooden spoon (keep the brown bits as they are very flavorful).
- 4
Pressure Cook Cauliflower Potato Soup: Add 2 bay leaves, cauliflower, and 2 red potatoes in Instant Pot. Pour the remaining chicken stock in Instant Pot. Close the lid and pressure cook at High Pressure for 3 minutes, then 10 minutes Natural Release. Open the lid carefully.Remove Bay Leaves (Optional): If you don't think your immersion hand blender is powerful enough to blend through the bay leaves, you can remove them at this step.
- 5
Blend & Season: Blend cauliflower soup into desired consistency with an immersion hand blender. Add 1 cup (250 ml) of heavy cream. Taste the soup and season with 2 tbsp (30 ml) of fish sauce and kosher salt.
- 6
Serve: Garnish with green onions, crispy bacon bits, and freshly grated Parmesan cheese. Enjoy immediately. I think you will love it ;)