Lemon-Zested Roasted Cauliflower with Parmesan
Crisp-tender cauliflower florets roasted until golden, finished with bright lemon and nutty parmesan. This mediterranean-inspired keto (keto, low-carb) ready in about 40 minutes pairs large head cauliflower, olive oil, salt for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 136 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.
Ingredients
- 1 large head cauliflower
- 2 tbsp olive oil
- 1/4 tsp salt
- 1/8 tsp black pepper
- 1 lemon
- 2 tbsp grated parmesan cheese
Instructions
- Step 1: Preheat oven to 425°F (220°C). Cut cauliflower into bite-sized florets and discard stem.
- Step 2: Place florets on a parchment-lined baking sheet, then drizzle with 2 tbsp olive oil and sprinkle with 1/4 tsp salt and 1/8 tsp black pepper.
- Step 3: Toss to coat evenly and spread in a single layer.
- Step 4: Roast for 25-30 minutes, stirring once halfway, until edges are golden brown and tender when pierced.
- Step 5: Remove from oven, grate zest from 1 lemon over the cauliflower, then sprinkle with 2 tbsp grated parmesan.
Frequently asked questions
How long does Lemon-Zested Roasted Cauliflower with Parmesan 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 Lemon-Zested Roasted Cauliflower 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 large head cauliflower from drying out.
Can I substitute ingredients in Lemon-Zested Roasted Cauliflower 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 Lemon-Zested Roasted Cauliflower 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 Lemon-Zested Roasted Cauliflower with Parmesan keto?
Yes — this recipe is tagged keto, low-carb based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
Amazingly simple and flavorful. I'll make this again and again.
- ★★★★★
This was a perfect keto side dish! The lemon zest really brightened it up and my family loved it.
- ★★★★☆
Loved it! Easy to make and perfect for keto.
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