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Keto Garlic Parmesan Roasted Broccoli Recipe

This garlic and Parmesan keto roasted broccoli is a flavorful low-carb side that also stands well on its own. Ready in under 30 minutes, it’s a fast and simple recipe for a crisp, savory vegetable dish.

Roasting broccoli concentrates its flavor and adds a pleasant crispness. Tossing it with garlic, lemon, and Parmesan produces a satisfying combination that even picky eaters often enjoy.

roasted broccoli

Serve with a main course such as Brazilian Coconut Chicken or Tarragon Chicken for a complete low-carb meal.

How to make keto roasted broccoli

Roasting vegetables is straightforward, and good seasoning makes all the difference. For an even roast, slice the broccoli into uniform florets or thin stems. Florets work well and are easy to toss with the dressing.

The ingredients used

  • Broccoli – Choose a firm, deep-green head for the best texture and flavor.
  • Olive oil – Extra virgin olive oil is ideal; avocado or coconut oil work too.
  • Lemon – Use both juice and zest to brighten the dish.
  • Garlic – Fresh minced garlic gives the best aroma and flavor.
  • Parmesan cheese – Grated Parmesan adds a salty, nutty finish. Use a vegetarian-friendly Parmesan if needed. For a richer dish, try adding some cheddar.
  • Onion powder – Optional, but it enhances roasted vegetable flavors.
roasted broccoli

Flavour Ideas for Roasted Broccoli

Garlic and Parmesan are classic, but you can experiment with other seasonings:

  • Red chilli flakes – for a spicy kick.
  • Ranch seasoning – for a tangy, herby profile.
  • Pesto – basil pesto adds a bright, summery flavor that pairs nicely with broccoli.
  • Balsamic vinegar – toss with a little balsamic before roasting and drizzle more over the finished dish for sweet acidity.

Recipe Tips

Avoid using frozen florets for roasting; they steam rather than crisp. Frozen broccoli is better for casseroles and soups.

Leftovers reheat well: warm in a 180°C/350°F oven for about 5 minutes, or microwave for a couple of minutes.

More low carb side dishes

Green Beans with Walnuts

Baked Cabbage Wedges

Roasted Cheesy Green Beans

Roasted Pumpkin Broccoli with Feta

Cheesy Baked Asparagus

Zucchini Gratin

This recipe was originally published in September 2016. The photos and content have been updated but the recipe remains the same.

broccoli roasted

Garlic Parmesan Keto Roasted Broccoli

Angela Coleby

A simple and delicious roasted broccoli side with Parmesan and garlic.
Prep Time
5 mins
Cook Time
25 mins
Total Time
30 mins
Course Side Dish
Cuisine Low Carb
Servings
4 servings
Calories
141 kcal

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Ingredients

  • 1 head of broccoli
  • 3 tablespoons olive oil
  • 4 cloves garlic minced
  • 1 cup Parmesan cheese grated
  • 1 lemon juice & rind
  • ½ teaspoon onion powder
  • 1 teaspoon salt
  • 1 teaspoon black pepper

Instructions

  • Preheat the oven to 200°C/400°F.
  • Slice the broccoli into even florets.
  • In a large bowl, combine olive oil, minced garlic, onion powder, salt, pepper, lemon juice and lemon zest.
  • Add the broccoli and toss well to coat.
  • Spread the florets on a baking tray and roast for 20 minutes.
  • Remove from the oven, sprinkle half the Parmesan over the broccoli, then return to the oven for 5 more minutes until the cheese melts and the edges are crisp.
  • Serve hot and enjoy.

Notes

Makes 4 servings.

Net carbs are total carbs minus fiber. Values exclude sugar alcohols.

Nutritional information is an estimate based on ingredients and may vary.

Nutrition

Serving: 1serving
Calories: 141kcal
Carbohydrates: 6g
Protein: 6g
Fat: 10g
Fiber: 2g

The nutrition information shown is an estimate provided by an online nutrition calculator.

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