Garlic Parmesan Cauliflower Mash

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Creamy mashed cauliflower seasoned with garlic and parmesan, a perfect low-carb alternative to traditional mashed potatoes. This american-inspired vegetarian (low-carb, keto) ready in about 25 minutes pairs florets cauliflower, butter, grated parmesan cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 305 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 15 min Serves 2 American cuisine 305 cal/serving
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Ingredients

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Instructions

  1. Step 1: Place 2 cups cauliflower florets in a large pot and cover with water. Bring to a boil over high heat, then reduce heat to medium and simmer for 12-15 minutes until the cauliflower is very tender when pierced with a fork.
  2. Step 2: Drain the cauliflower in a colander and return to the pot. Add 2 tbsp butter, 2 tbsp grated parmesan cheese, 1 minced garlic clove, 1/4 tsp salt, and 1/8 tsp black pepper. Mash with a potato masher until smooth and creamy, adding 1/4 cup heavy cream if needed to reach desired consistency.
  3. Step 3: Continue mashing and stirring until the mixture is smooth and well combined, about 2-3 minutes. Adjust seasoning with more salt and pepper if needed.

Frequently asked questions

How long does Garlic Parmesan Cauliflower Mash take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Garlic Parmesan Cauliflower Mash?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep florets cauliflower from drying out.

Can I substitute ingredients in Garlic Parmesan Cauliflower Mash?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Garlic Parmesan Cauliflower Mash for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Garlic Parmesan Cauliflower Mash low-carb?

Yes — this recipe is tagged low-carb, keto based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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