How Long to Roast Cauliflower at 400

How long to roast cauliflower at 400 degrees F is here. Whole cauliflower in oven, florets with parmesan or frozen recipes explained step by step. If you loved our Cauliflower Pancakes in the oven this is an easy side dish too.

There are many ways to roast this white vegetable. Cut, left whole, or Cauliflower Steaks all come out wonderful with a bit of seasonings. Browned nicely on the top you get a tender inside texture with a bit of crispy deliciousness on the outside.

Roasted Cauliflower Head

We first made Whole Pressure Cooker Cauliflower which worked quite well except that you have to either transfer to the oven at the end or the air fryer to crisp the top. Now we are going to explain how to roast on a sheet pan and not have to move it at all.

Roasted Cauliflower with Parmesan Cheese

1 head of cauliflower is used either left whole or cut into large bite size pieces. You could just cook half at a time if you wanted to but the timing wouldn’t change. Olive oil will keep it moist and offers a bit of flavor vs. other types. I just season with simple Kosher salt, garlic salt, pepper and a bit of Old Bay.

Just like How Long to Roast Zucchini, additional flavors will also work well like a pinch of garlic powder, curry powder or red pepper flakes will make it spicy with a real kick.

• Preheat your oven to 400°F. Remove any leaves, keep the core intact but cut so it is flat.
• Rinse under cold water and pat it dry with paper towels.
• Place on top of a baking sheet.
• Drizzle on olive oil, sprinkle with salt, pepper, and your favorite herbs or spices.
• Roast in hot oven for about 45 minutes to 1 hour, depending on the size.
• Check for doneness by inserting a fork or knife into the thickest part.
• Can sprinkle parmesan on top during the last 10 minutes if desired.

A squeeze of lemon juice is a nice add on top of any sort of roasted vegetables if you ask us. You can of course skip the dairy entirely but it is a nice touch and adds a lot of flavor to an otherwise bland vegetable. If you want an alternative try plant based butter like we do on our How Long to Roast Carrots at 350 post.

Cut end and leaves off of cauliflower and discard. Cut into large bite size pieces and put into a large bowl. Preheat oven to 400 degrees F. You can just cook this or if you wanted a great duo, you can make Roasted Brussel Sprouts and Cauliflower together.

• Pour regular or infused Garlic in Oil over florets and toss to coat. Sprinkle in seasonings, toss to coat. Pour on to your non stick large baking sheet and spread out so there is as little overlapping as possible.
• Bake for approximately 30 minutes (will vary depending on how large your pieces are), ideally flipping pieces halfway thru. Remove once pieces are fork tender to your liking and browned on top.
• ** If you would like to add parmesan, sprinkle over the top during the last 10 minutes so it can melt and bake on to veggies.

Roasted Frozen Cauliflower

Roasting Frozen Vegetables in Oven is kind of a game changer y’all. For this one you are going to use 1 bag of frozen veggies here. 2 tablespoons of extra virgin olive oil should be plenty to coat it all. 2 tbsp minced garlic will add flavor + 1 tsp Italian seasoning and a pinch of salt and pepper.

1. Preheat your oven to 425 degrees F.
2. Unlike with our Air Fryer Frozen Cauliflower, you will want to thaw slightly first.
3. Pour into a colander and running them under cold water for a few minutes. Pour on to a few paper towels and gently fold over to remove moisture and dry pieces.
4. In a large mixing bowl, combine the thawed cauliflower florets with olive oil, minced garlic, dried herbs, salt, and pepper. Toss until evenly coated.
5. Spread in a single layer on a baking sheet lined with parchment paper or aluminum foil.

Roast in the preheated oven for 25-30 minutes cooking time, or until tender and golden brown, stirring halfway through to ensure even cooking.

Once done, remove from the oven and garnish with grated Parmesan cheese, lemon zest, or red pepper flakes if desired. Serve hot as a side dish or as a tasty addition to salads or grain bowls. If you do have leftovers you can save in an airtight container in the fridge but it will get rather soft and need to be heated in an air fryer.

Roasted Cauliflower Recipe

If you want to add more flavor you can of course toss with a sauce after this is done, or drizzle on top. You can use the savory sauce as in our Slow Cooker Cheesy Cauliflower if you like, a kid favorite for sure.

For an Asian flare you can use the ingredients used in our Instant Pot Cauliflower Curry to drizzle over the top of your crisped florets. I mean left as is is wonderful but it is nice to mix things up. Jump to recipe card below and get started.