Low-carb cauliflower tastes incredible when sautéed and then smashed. This version is a chunky, rustic mash rather than a perfectly smooth keto cauliflower purée. For an ultra-smooth texture, you can process it in a food processor after cooking. 
Low Carb Smashed Cauliflower Recipe
Our sautéed smashed cauliflower highlights caramelized flavor from browning the florets with garlic and olive oil (or butter). The result is a savory, satisfying side dish that’s low in carbs and sugar, lower in calories than traditional mashed potatoes, and easy to adapt to your preferences. Use less cheese and swap butter for olive oil to keep it lighter. It’s a perfect accompaniment for weeknight dinners and holiday tables—ideal for a low-carb Thanksgiving option when you want a mashed-potato alternative.
Watch Video for Easy Smashed Cauliflower
How to Make Healthy Smashed Cauliflower (Photos)
- Chop a fresh head of cauliflower into bite-sized pieces. If using frozen, thaw and pat dry to remove excess water; fresh cauliflower gives the best texture and flavor.
- Sauté minced garlic in olive oil or butter, then add the cauliflower and cook until the edges brown slightly.
- Add milk and seasonings, bring to a simmer, and cook until the florets are tender.
- For a chunky mash, use a potato masher. For a very smooth mash, let the cauliflower cool slightly and pulse in a food processor until you reach the desired consistency.
- Stir in parmesan if using, adjust salt and pepper to taste, and serve warm.
Tips for Storing Leftover Keto Cauliflower Mash
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
- Avoid freezing: thawed cauliflower often releases excess moisture and becomes mushy.
- Reheat gently in the microwave or on the stovetop, and add a small pat of butter or a handful of parmesan before serving to refresh the texture and flavor.
Low Carb Smashed Sautéed Cauliflower
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Ingredients
- 1 medium head of cauliflower (about 2 pounds / 910 g)
- 2 Tablespoons olive oil or butter
- 3 cloves garlic , minced
- 1 1/2 cups milk (low-fat, whole, almond, or soy)
- 1/2 cup parmesan cheese (optional)
- 1 teaspoon kosher salt , or to taste
- fresh cracked black pepper , to taste
Instructions
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Roughly chop the cauliflower into 1-inch pieces.
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Heat a large pan over medium-high heat. Add the oil or butter and the garlic, and cook until the garlic is fragrant and translucent, about 30 seconds.
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Add the cauliflower and sauté, stirring occasionally, for about 5 minutes or until the pieces are lightly browned.
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Pour in the milk and add salt and pepper. Bring to a gentle simmer, stirring occasionally, and cook for 5–10 minutes until the cauliflower is tender.
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Remove from heat and let cool slightly. Mash the cauliflower to your preferred texture, then stir in the parmesan until melted.
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Adjust seasoning to taste and serve warm.
Video
Nutrition Information per Serving
Here’s more of our low carb vegetable recipes
This recipe was originally published in 2019 and updated with new photos in 2021. If you enjoy cauliflower in other formats, try air-fryer cauliflower, cauliflower pizza crust, or use smashed cauliflower as a sandwich base with low-carb bread. If you’ve made this recipe, leave a comment and consider rating it—your feedback is appreciated!