Low Carb Roasted Cauliflower

Roasted cauliflower is a crispy, golden, and keto-friendly side dish that transforms simple cauliflower into a richly flavored, low-carb staple. Tossed with olive oil, garlic, and spices, the florets roast at high heat until caramelized on the edges and tender in the center, delivering a satisfying alternative to potatoes or other starchy sides. Optional Parmesan adds salty, nutty richness and extra fat and protein, keeping the dish firmly keto while boosting flavor. Versatile enough to serve alongside grilled meats, fish, or eggs, this roasted cauliflower also works as a snack, salad add-in, or meal prep component that reheats beautifully.

Course Side Dish, Snack

Cuisine American, Keto, Low Carb

Keyword keto side dish, low carb vegetables, oven roasted, parmesan cauliflower, roasted cauliflower

Prep Time 10

Cook Time 25

Total Time 35

Servings servings

Calories 135kcal

Equipment

baking sheet
Parchment Paper
large mixing bowl
Chef's knife
Cutting board
measuring spoons

Ingredients

For the roasted cauliflower

1 head cauliflower trimmed and cut into bite-size florets, about 6 cups
3 tablespoons olive oil extra-virgin
1 teaspoon kosher salt or to taste
1/2 teaspoon black pepper freshly ground
1 teaspoon garlic powder
1/2 teaspoon smoked paprika or sweet paprika

Optional Parmesan finish

1/4 cup Parmesan cheese finely grated, preferably fresh, optional
1 tablespoon fresh parsley minced, for garnish, optional

Instructions

Preheat the oven to 425°F and line a large baking sheet with parchment paper for easy cleanup.
Pat the cauliflower florets dry with a clean kitchen towel or paper towels to remove excess moisture and help them crisp in the oven.
Add the cauliflower florets to a large mixing bowl and drizzle with olive oil, tossing until every piece is lightly coated.
Sprinkle the salt, black pepper, garlic powder, and smoked paprika over the cauliflower and toss again until the seasonings are evenly distributed.
Spread the seasoned cauliflower in a single layer on the prepared baking sheet, leaving space between the florets so they roast instead of steam.
Roast the cauliflower for 20 to 25 minutes, flipping the florets once halfway through, until the centers are tender and the edges are browned and crispy.
If using Parmesan, remove the baking sheet from the oven during the last 3 to 5 minutes of cooking, sprinkle the cauliflower with grated Parmesan, and return it to the oven just until the cheese melts and lightly browns.
Transfer the roasted cauliflower to a serving dish, garnish with fresh parsley if desired, taste, and adjust salt or pepper before serving hot.

Notes

For extra caramelization, use the convection setting if your oven has one and reduce the roasting time slightly while watching closely to prevent burning. To keep the dish strictly keto, avoid store-bought spice blends that may contain added sugar or starch and stick to single-ingredient spices. Leftover roasted cauliflower can be stored in an airtight container in the refrigerator for up to 4 days and reheated on a baking sheet at 350°F until warmed through and crisped around the edges. Flavor variations include adding a pinch of red pepper flakes for heat, tossing with a squeeze of lemon juice after roasting for brightness, or finishing with crumbled feta instead of Parmesan for a Mediterranean twist.

Nutrition