Roasted Cauliflower and Sweet Potato Hash

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

A hearty, savory vegetable medley with caramelized edges and warm spices, perfect for meal prep. This sheet pan (vegan, gluten-free) ready in about 40 minutes pairs cauliflower, sweet potato, red onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 240 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. 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.

★ 4.3 (11 ratings) Prep: 15 min Cook: 25 min Serves 2 240 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 200°C (400°F). Cut 200g cauliflower into small florets and 150g sweet potato into 1/2-inch cubes. Thinly slice 1 small red onion.
  2. Step 2: In a bowl, toss cauliflower, sweet potato, and red onion with 15ml olive oil, 1/2 tsp cumin, and 1/2 tsp paprika. Spread evenly on a sheet pan.
  3. Step 3: Roast for 25 minutes, stirring once halfway, until edges are golden and vegetables are tender when pierced with a fork.

Frequently asked questions

How long does Roasted Cauliflower and Sweet Potato Hash take to make?

Total time is about 40 minutes (15 min prep + 25 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 Roasted Cauliflower and Sweet Potato Hash?

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 cauliflower from drying out.

Can I substitute ingredients in Roasted Cauliflower and Sweet Potato Hash?

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 Roasted Cauliflower and Sweet Potato Hash 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 Roasted Cauliflower and Sweet Potato Hash vegan?

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

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