Roasted Garlic-Herb Cauliflower

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

Tender cauliflower florets roasted until golden with aromatic garlic and fresh herbs for a simple keto side. This american-inspired vegetarian (low-carb) ready in about 35 minutes pairs cauliflower, olive oil, garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 120 calories and feeds 4, so it slots cleanly into a low-carb week and pairs well with cauliflower rice or roasted green vegetables. 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 (15 ratings) Prep: 10 min Cook: 25 min Serves 4 American cuisine 120 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 425°F (220°C).
  2. Step 2: In a large bowl, toss 1 head (680g) cauliflower florets with 2 tbsp olive oil, 4 minced garlic cloves, 1 tsp fresh thyme, 1 tsp lemon zest, 1/2 tsp salt, and 1/4 tsp black pepper until evenly coated.
  3. Step 3: Spread florets in a single layer on a parchment-lined baking sheet.
  4. Step 4: Roast for 25-30 minutes, stirring once halfway through, until golden brown and tender when pierced with a fork.

Frequently asked questions

How long does Roasted Garlic-Herb Cauliflower take to make?

Total time is about 35 minutes (10 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 Garlic-Herb Cauliflower?

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 Garlic-Herb Cauliflower?

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 Garlic-Herb Cauliflower 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 Roasted Garlic-Herb Cauliflower low-carb?

Yes — this recipe is tagged low-carb, 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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