Roasted Cauliflower with Caramelized Onions and Garlic

Roasted Cauliflower with onions and garlic then topped off with Parmesan cheese. The caramelized vegetables make a mouthwatering side dish.

Roasted Cauliflower with caramelized onions and garlic. Topped and baked in Parmesan cheese for a delicious flavor. Perfect side dish for a steak dinner.

There are not many ways I eat cauliflower. Let’s be honest it is kinda blah. I have amped up the flavor for my roasted cauliflower with onion, garlic and fresh thyme from the garden. Then a sprinkling of Parmesan cheese to put it over the top. The crispy caramelized flavor of the roasted cauliflower, onion, and garlic has become a favorite dish along side my grilled steak. I know what you are about to say! Wait, but I love potatoes! Potatoes will never leave my steak’s side EVER! I love potatoes too! Here is my recipe from Perfect Buttered Herb Mini Potatoes. But seriously, give cauliflower a chance.

When cauliflower goes on sale. Grab a head. One head of cauliflower goes a long way. This Roasted Cauliflower recipe serves 4.

Here are some other recipes using cauliflower:

  1. Veggie Salad
  2. Crock Pot Cauliflower and Cheese by Spicy Southern Kitchen
  3. Loaded Cauliflower Mash 

Years ago I tried a recipe for low carb pizza crust. It was a baked mixture of mozzarella and cauliflower. It was delicious with an embarrassing amount of cheese and hardly healthy. I regret nothing!

Roasted Cauliflower with caramelized onions and garlic! Now that is a flavor combination I can feel healthy about. Topped and baked in Parmesan cheese for a delicious flavor. This is the perfect side dish for a steak that has just come off the grill. Complete the meal with my Sauteed Garlic Asparagus. 

Anyway enjoy this recipe as a side dish or just something to snack on. Hit me up on social media or leave a comment with a link to your favorite cauliflower recipe. We would love to make it!


Roasted Cauliflower Recipe

Roasted Cauliflower with Caramelized Onions and Garlic 1
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Roasted Cauliflower

Roasted Cauliflower with onions, garlic and Parmesan cheese.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour


  • 1 head of cauliflower chopped into florets
  • 1/2 medium onion cut into slices
  • 3 cloves of garlic smashed
  • 2 tablespoons olive oil enough to coat
  • 2 - 3 sprigs of thyme
  • 1/2 cup grated Parmesan cheese
  • Salt and Pepper


  1. On a large baking sheet spread out cauliflower, onion, and garlic.
  2. Drizzle with olive oil.
  3. Add thyme sprigs.
  4. Bake in a 400F. oven for 30 minutes tossing once after 15 minutes.
  5. Remove from oven and add Parmesan cheese. Toss the mixture again to evenly distribute the cheese.
  6. Return to the oven for another 10 minutes.
  7. Salt and pepper the mixture and serve.

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