Purple Cauliflower Dip

This Purple Cauliflower Dip is made from roasted purple cauliflower, garlic, feta, and a bit of olive oil and spices. It’s the perfect purple component in a spread of rainbow dips, for snack time, or even as a spread on sandwiches.

So read on for all the tips and tricks about purple cauliflower. Or just grab your paring knife to cut cauliflower florets, hit that Jump to Recipe button, and let’s make a cauliflower dip!

bowl of purple dip with hand holding green pepper. There is a plate of green pepper and celery in the corner.
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Ingredients

head of purple cauliflower plus feta, two garlic cloves, and small bowls of olive oil and spices on a countertop.

Cauliflower is a cruciferous vegetable related to broccoli, kale, and cabbage. It’s known for its mild flavor and adaptability in a variety of dishes.

 

We often have roasted cauliflower as a side dish, or cauliflower serves as a meatless substitute in cauliflower tacos, cauliflower shawarma, and cauliflower burgers. Cooked cauliflower is also a great pasta substitute for pasta in my cavatappi mac and cheese or alfredo cauliflower.

Please see the recipe card below for complete information on ingredients and quantities.

Recipe tips and tricks

I started off the recipe development for this purple dip wondering the best way to cook purple cauliflower. I knew that purple beans turn green when you cook them, and my purple sweet potato latkes and red velvet beet waffles lose their gorgeous color when cooked.

The photo below shows my initial tests of cooking purple cauliflower. From the bright pink purple color when it was raw (bottom left), it roasted to a deep royal purple (top). Steaming and blanching turned the cauliflower lavender (right).

six cauliflower florets on a plate including two raw, two deep purple after roasting, and two lavender florets.

To roast the purple cauliflower, chop the cauliflower into florets. You’ll puree them, so cutting florets the same size most helps ensure even cooking.

Toss with olive oil, salt, pepper, and red pepper flakes. Roast until fork-tender and let cool. You can roast your garlic, wrapped in foil, at the same time if you prefer the mellower taste of roasted garlic.

raw chopped purple cauliflower florets in a roasting pan.
roasted chopped purple cauliflower florets in a roasting pan.

Once cool, put your roasted cauliflower in a food processor or heavy duty blender with the rest of the ingredients. Blitz until smooth and taste and adjust the salt, pepper, and lemon juice (if using). Be careful with lemon juice, as it may change the color of your purple dip!

roasted purple cauliflower with a block of feta in a food processor.
bowl of purple dip with a plate of green pepper and celery in the corner.

What to serve with purple dip

Serve this dip with:

Recipe FAQs

How should I store roasted cauliflower dip?

Store leftover dip in an airtight container in the refrigerator for up to five days. The flavors will meld and it doesn’t lose its color at all!

What make purple cauliflower purple?

Anthocyanins are chemical compounds that create the purple in purple sweet potatoes, in ube crinkle cookies, and the butterfly pea flower powder in Empress gin. One fun science experiment you can do at home is with purple cabbage!

What can I make with leftover feta?

I love using feta on salad, but you can also use any extra feta in Mediterranean pumpkin couscous salad, Greek chicken meatballs, or even feta muffins!

Love this recipe? Please leave a 5-heart 💜💜💜💜💜 rating in the recipe card below. Let me know how much you loved it, or any problems you had, in the comments section further down.

Recipe

Purple Cauliflower Dip

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Category: Appetizer
Cuisine: Mediterranean
Prep Time: 10 minutes
Cook Time: 40 minutes
Cooling time: 1 hour
Total Time: 1 hour 50 minutes
Servings: 8
Calories: 91kcal
This Purple Cauliflower Dip is a thick purple dip made from roasted purple cauliflower, garlic, feta, and a bit of olive oil and spices. It's the perfect purple component in a spread of rainbow dips, for snack time, or even as a spread on sandwiches.
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Equipment

  • 1 Food processor or blender

Ingredients

  • 1 medium head of purple cauliflower chopped roughly into florets
  • 3 tablespoons olive oil divided
  • ½ teaspoon salt plus more as desired
  • ¼ teaspoon black pepper plus more as desired
  • teaspoon dried red pepper flakes
  • 2 cloves garlic roasted if desired, see notes
  • ½ cup (2 ounces) crumbled feta plus more as desired
  • 1 to 2 tablespoons lemon juice optional

Instructions

  • Heat your oven to 400°F (200°C).
  • Chop your purple cauliflower roughly into florets and toss them in a roasting pan with 2 tablespoons of olive oil and the salt, black pepper, and red pepper flakes. If roasting your garlic, drizzle the cloves with a bit of oil and wrap them in foil.
    1 medium head of purple cauliflower, 3 tablespoons olive oil, ½ teaspoon salt, ¼ teaspoon black pepper, ⅛ teaspoon dried red pepper flakes, 2 cloves garlic
  • Roast in the preheated oven for 30 to 40 minutes until the cauliflower can be easily pierced with a fork and slightly caramelized, and the garlic is soft. Stir or shake the pan when you are halfway through cooking to ensure even roasting. Let cool.
  • Blend the cauliflower dip In a food processor by combining the roasted purple cauliflower, peeled garlic, and crumbled feta cheese. Add the remaining tablespoon of olive oil and blend until smooth. If you prefer a tangy flavor, add 1 to 2 tablespoons of lemon juice, a little at a time, and blend again.
    ½ cup (2 ounces) crumbled feta, 1 to 2 tablespoons lemon juice, 3 tablespoons olive oil
  • Taste and adjust with more salt and pepper if needed. Transfer the cauliflower dip to a serving bowl and drizzle with a bit more olive oil if desired.
  • Store your purple dip in an air-tight container in the refrigerator for three to five days.

Notes

One serving of this roasted purple cauliflower dip is approximately two tablespoons.
If you prefer the mellow taste of roasted garlic, drizzle with olive oil and wrap the cloves (or the full head) in foil. Roast with the cauliflower.
Be careful with the lemon juice as it may change the purple color of your cauliflower dip!
Feel free to substitute any color cauliflower in this cauliflower dip if you cannot find purple cauliflower. You’ll need about a half-pound of cooked cauliflower for this recipe.
It is possible to make this cauliflower dip without a food processor or blender, although it will be chunky and not smooth. Cook the cauliflower until soft, and use a potato masher or fork to break the roasted cauliflower into chunks.

Nutrition

Calories: 91kcal | Carbohydrates: 4g | Protein: 3g | Fat: 7g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 8mg | Sodium: 275mg | Potassium: 227mg | Fiber: 1g | Sugar: 1g | Vitamin A: 49IU | Vitamin C: 36mg | Calcium: 64mg | Iron: 0.4mg
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