Cauliflower 'Mashed' Sweet Potato with Herb Butter

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A comforting, nutrient-dense side that satisfies cravings without dairy or hidden sugars, ideal for Whole30 reset days. This american-inspired whole30 ready in about 28 minutes pairs head (about 1.5 lbs) cauliflower, medium sweet potato, avocado oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 110 calories and feeds 4, 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.

★ 4.1 (9 ratings) Prep: 10 min Cook: 18 min Serves 4 American cuisine 110 cal/serving
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Ingredients

Instructions

  1. Step 1: Steam cauliflower florets and peeled, diced sweet potato in a steamer basket over simmering water for 15-18 minutes until fork-tender.
  2. Step 2: Transfer cooked vegetables to a food processor, add avocado oil, 1/4 tsp sea salt, and 1/8 tsp black pepper.
  3. Step 3: Blend on low, scraping down sides as needed, then increase speed until smooth and creamy (about 2-3 minutes).
  4. Step 4: Transfer to a bowl and stir in fresh chives and thyme until evenly distributed.
  5. Step 5: Taste and adjust seasoning, adding a pinch more salt if needed, then serve warm to maximize nutrient absorption.

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Frequently asked questions

How long does Cauliflower 'Mashed' Sweet Potato with Herb Butter take to make?

Total time is about 28 minutes (10 min prep + 18 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 Cauliflower 'Mashed' Sweet Potato with Herb Butter?

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 medium sweet potato from drying out.

Can I substitute ingredients in Cauliflower 'Mashed' Sweet Potato with Herb Butter?

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 Cauliflower 'Mashed' Sweet Potato with Herb Butter for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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.

What goes well with Cauliflower 'Mashed' Sweet Potato with Herb Butter?

American whole30 like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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