Vegan mashed cauliflower with rosemary and garlic is creamy, buttery, and ready in just 15 minutes! Using frozen cauliflower makes this side dish quick and easy to prep.

Cauliflower is delicious in pretty much any form and this mash is no exception. When you add cauliflower to a food processor with vegan butter and milk it transforms into a fluffy, light texture.
There's so much savory flavor in each bite. Compared to vegan mashed potatoes, cauliflower has a milder taste that easily absorbs accompanying flavors. In the case of this recipe: roasted garlic and rosemary.
To get the very best mash, you need to steam the cauliflower florets (not boil). When too much liquid is held within the cauliflower florets, the mash can get mushy. That's why I love precut flowers that you can microwave in the bag.
Once your cauliflower is cooked, the food processor brings everything together in minutes. Serve this delicious mash during the holidays with roasted carrots and apples and stuffed acorn squash for a satisfying dinner.
Ingredient Notes
You will need these simple ingredients for this vegan mashed cauliflower recipe:

With frozen cauliflower florets this mash comes together in the blink of an eye. You can steam fresh cauliflower or cauliflower rice, but I prefer steam-in-bag florets for quick preparation.
Vegan butter is essential for a buttery and creamy mash. You can also add vegan cream cheese or sour cream for even more creaminess and a bit of tang.
Fresh garlic and rosemary add to the delicious, savory flavor. Garlic powder and dried rosemary work in a pinch but don’t infuse as strong of a flavor. If you aren't a fan of rosemary, try substituting other fresh herbs like chives, parsley, or thyme.
Soy milk or any plant-based milk helps create a smooth consistency. Just make to sure to use an unsweetened milk!
The recipe card below includes the full list of ingredients + instructions.
How to Make Vegan Mashed Cauliflower

- Saute garlic and rosemary.

- Add all ingredients to a food processor.

- Scrape down processed cauliflower.

- Continue to process until creamy.

- Garnish and enjoy!
Serving Ideas
Garlicky cauliflower mash is delicious with a sprinkle of nutritional yeast, vegan parmesan cheese, or finely chopped green onions.
If you're planning to make this as a side dish for Thanksgiving, make sure to have some vegan gluten-free gravy as well. It adds an extra layer of savory goodness plus it only takes about 10 minutes to make.
Enjoy the mashed cauliflower with a delicious gluten-free stuffing made with wild rice, vegetables, herbs, and spices or a square of vegan gluten-free cornbread.
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Vegan Mashed Cauliflower
Equipment
- food processor
Ingredients
- 15 ounces frozen cauliflower florets see notes
- 4 cloves garlic finely chopped
- ½ teaspoon fresh rosemary finely chopped
- 1 tablespoon olive oil
- 3 tablespoons vegan butter more if needed
- ½ teaspoon sea salt more to taste
- ¼ teaspoon black pepper
- 3 tablespoons unsweetened soy milk
- chives or green onions
Directions
- Steam 15 ounces frozen cauliflower florets in the microwave as per instructions on the bag. This usually takes 4 to 5 minutes.
- While the cauliflower cooks, sauté 4 cloves garlic and ½ teaspoon fresh rosemary with 1 tablespoon olive oil in a small pan over medium heat for 2 to 3 minutes or until the garlic is aromatic and slightly browned.
- Add the steamed cauliflower, 3 tablespoons vegan butter, 3 tablespoons unsweetened soy milk, ½ teaspoon sea salt , ¼ teaspoon black pepper, and sautéed garlic and rosemary to a food processor.
- Process the mixture for 2 to 5 minutes. Scrape down the sides between processing. Add more milk or butter as needed to achieve a smooth, creamy consistency. Be careful about over-processing the mixture, or it will become gloopy.
- Add more salt and pepper to taste. Top with chives or green onions and enjoy!
Notes
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* The provided nutritional information is an estimate per serving. Accuracy will vary on specific ingredients and brands used.






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