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Keto Roasted Garlic Cauliflower - Simple, Flavorful, and Low-Carb

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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Ingredients Method

Ingredients
  

  • 1 large head cauliflower (about 2 to 2.5 pounds), cut into bite-size florets
  • 3 tablespoons olive oil (or avocado oil)
  • 4 cloves garlic, minced (or finely grated)
  • 1 teaspoon garlic powder (for even coverage)
  • 1/2 teaspoon onion powder (optional, adds depth)
  • 1/2 to 3/4 teaspoon kosher salt (to taste)
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon red pepper flakes (optional, for heat)
  • 1 tablespoon lemon juice (freshly squeezed)
  • 2 tablespoons grated Parmesan (optional but recommended)
  • Fresh parsley or chives, chopped, for garnish

Method
 

  1. Heat the oven: Preheat to 425°F (220°C). Line a large sheet pan with parchment for easy cleanup.
  2. Prep the cauliflower: Remove the outer leaves and core. Break into evenly sized florets, about 1.5-inch pieces. Rinse and pat very dry—moisture prevents browning.
  3. Season: In a large bowl, toss florets with olive oil, minced garlic, garlic powder, onion powder, salt, black pepper, and red pepper flakes if using. Make sure each piece is lightly coated.
  4. Spread out: Arrange in a single layer on the sheet pan. Keep space between pieces; overcrowding causes steaming instead of roasting.
  5. Roast: Bake for 20 minutes. Stir or flip the florets, then roast another 10–15 minutes, until the edges are deep golden and the centers are tender.
  6. Finish: Immediately toss with lemon juice and Parmesan on the hot pan. Taste and adjust salt if needed.
  7. Garnish and serve: Sprinkle with chopped parsley or chives. Serve hot as a side or top with your favorite protein for a complete meal.