Creamy Instant Pot Cauliflower Mash (Keto)

Dips & Sauces

March 10, 2026

The Ultimate Low-Carb Comfort Food: Instant Pot Cauliflower Mash!

Craving creamy, fluffy mashed potatoes but sticking to a low-carb lifestyle? Look no further! This Instant Pot Cauliflower Mash is a total game-changer. It delivers all the rich, buttery, and cheesy satisfaction of the classic side dish without the carbs. Thanks to the magic of the Instant Pot, this recipe is incredibly fast and easy, making it the perfect addition to your weeknight dinner rotation. Get ready to fool even the most dedicated potato lovers with this velvety, flavorful, and secretly healthy side!

Ingredients

• 4 cups / 1 lb / 450g cauliflower, chopped into florets
• 3 tbsp / 42g butter
• 2 garlic cloves, crushed
• ¼ cup / 60ml heavy cream
• ¼ cup / 60ml whole milk
• 3 tbsp / 15g nutritional yeast
• 2 tbsp / 10g Parmesan cheese, grated
• 1 tbsp / 15ml fresh lemon juice
• 1 tsp / 6g salt
• ½ tsp / 1g white pepper
• ½ tsp / 0.5g dried rosemary

Instructions

1. Directions
2. Place the cauliflower florets into the Instant Pot insert and add just enough water to cover the bottom (about 1 cup). Secure the lid, set the steam release handle to the ‘Sealing’ position, and cook on high pressure by pressing the ‘Manual’ or ‘Pressure Cook’ button for 8 minutes.
3. Once the timer finishes, perform a quick release of the pressure. Carefully open the lid and drain the cauliflower thoroughly. Set aside.
4. Select the ‘Sauté’ mode on the Instant Pot. Add the butter and let it melt. Add the crushed garlic and cook for about 60 seconds until fragrant, stirring constantly to prevent burning.
5. Return the drained cauliflower to the pot and stir to coat with the garlic butter. Cook for 3-4 minutes. Pour in the heavy cream and milk, then season with salt, white pepper, and dried rosemary. Bring the mixture to a gentle boil.
6. Press ‘Cancel’ to turn off the heat. Stir in the nutritional yeast and grated Parmesan cheese until fully melted and combined. Finish with a squeeze of fresh lemon juice.
7. For a rustic texture, mash directly in the pot with a potato masher. For a silky-smooth purée, transfer the mixture to a blender or food processor (or use an immersion blender) and process until it reaches your desired consistency. Serve warm!

Nutritional Information

• Nutrition Per Serving
• Calories: 126
• Total Fat: 9.3g
• Net Carbs: 4g
• Protein: 5.7g
• Fiber: 3g

Pro Tips

• For an extra thick and creamy mash, squeeze the steamed cauliflower in a cheesecloth or nut milk bag to remove as much excess water as possible before adding it back to the pot.
• For an ultra-smooth, whipped texture, use an immersion blender directly in the Instant Pot insert. This saves on cleanup and creates a perfectly velvety purée.
• Feel free to customize the flavor. Swap the rosemary for fresh chives and a dollop of sour cream, or add a pinch of nutmeg for a classic, warm flavor that beautifully mimics traditional potato dishes.

FAQ

Q: How can I make this cauliflower mash extra creamy
A: For an extra thick and creamy mash, squeeze the steamed cauliflower in a cheesecloth to remove as much excess water as possible. For an ultra-smooth, whipped texture, use an immersion blender directly in the pot.

Q: Is this cauliflower mash recipe keto-friendly
A: Yes, this recipe is very keto-friendly. According to the nutritional information, one serving contains only 4g of net carbs, making it a great low-carb alternative to mashed potatoes.

Q: What gives this cauliflower mash its cheesy flavor
A: The cheesy flavor in this mash comes from two key ingredients: nutritional yeast, which provides a savory, cheesy taste, and grated Parmesan cheese.

Q: How long does it take to cook the cauliflower in the Instant Pot
A: You should cook the cauliflower florets on high pressure in the Instant Pot for 8 minutes, followed by a quick pressure release.

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