Baked Cauliflower and Broccoli with Parmesan

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

Tender vegetables roasted until caramelized and topped with nutty Parmesan for a simple, flavorful keto side dish. This american-inspired keto (vegetarian) ready in about 30 minutes pairs (about 10 oz) cauliflower florets, (about 10 oz) broccoli florets, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 135 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.

Prep: 5 min Cook: 25 min Serves 4 American cuisine 135 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F (220°C). Toss 2 cups cauliflower florets and 2 cups broccoli florets with 2 tbsp olive oil, 1/4 tsp garlic powder, 1/4 tsp sea salt, and 1/8 tsp black pepper until evenly coated.
  2. Step 2: Spread vegetables in a single layer on a parchment-lined baking sheet and roast for 20-25 minutes, or until edges are golden brown and fork-tender.
  3. Step 3: Remove from oven and immediately sprinkle 1/4 cup grated Parmesan cheese over the top.
  4. Step 4: Return to oven for 2-3 minutes, or until cheese melts and turns lightly golden.

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Frequently asked questions

How long does Baked Cauliflower and Broccoli with Parmesan take to make?

Total time is about 30 minutes (5 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 Baked Cauliflower and Broccoli with Parmesan?

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 olive oil from drying out.

Can I substitute ingredients in Baked Cauliflower and Broccoli with Parmesan?

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 Baked Cauliflower and Broccoli with Parmesan 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.

Is Baked Cauliflower and Broccoli with Parmesan vegetarian?

Yes — this recipe is tagged 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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