Butternut Squash Caramelized Onion Pizza

Pizza night just got a fall makeover. Butternut Squash Caramelized Onion Pizza is an EPIC blend of buttery fall flavor that will make everyone look forward to pizza night!

Butternut Squash Caramelized Onion Pizza Recipe

PIZZA NIGHT!  Two words that always bring a smile to my face!

Not only do my hubby and girls look forward to this night, but making a weekly dinner plan around this theme is soooo easy. I always know what we’re having that night.

My challenge is to come up with new and healthy pizza options that are crave-worthy and keep this sacred night interesting. We’ve enjoyed Zucchini Noodle Crusted Pizza in the summer, Cheesy Cauliflower Pizza Bites and Spinach Mushroom Pizza Bites to keep things low-carb, used a favorite pizza combination to inspire Hawaiian Pizza Quesadillas and even enjoyed Pumpkin Pizza. Almost every time we incorporate seasonal produce in our Friday night ritual, we are rewarded with something special.

And, this butternut squash pizza is no exception. It’s a simple combination of butternut squash, caramelized onion and spinach with a cheesy mozzarella topping that makes it pop!

How to Make Butternut Squash Caramelized Onion Pizza

To make this pizza pre-cook the flat bread crust for a few minutes, layer the ingredients on top of the crust and bake the pizza for a few minutes more. Follow these tips to prepare key ingredients the day before and this recipe comes together in a snap:

  1. Peel and dice the butternut squash in advance. You’ll be ready for this recipe or so many other delectable uses, such as Butternut Squash and Spinach Quesadillas. Squash will keep in the refrigerator for up to 5 days.
  2. Cut the cubes in small 1/2 inch sized pieces, preferably. The smaller the size, the quicker they will cook on the stove top.
  3. Roasted butternut squash is also an option. Do this if you are already making a recipe that calls for butternut squash, like Creamy Butternut Squash Soup.
  4. Make a big batch of Slow Cooker Caramelized Onions and freeze the bounty in small portions.
  5. Use flat bread to make this recipe quickly and keep the carbs down. However, any type of crust will work.
  6. Make this recipe vegan by using dairy-free cheese and butter.
  7. Use gluten-free pizza crust, if desired.

Roasted Butternut Squash Pizza with Caramelized Onion

Follow these tips and Butternut Squash and Caramelized Onion pizza truly comes together very quickly. In no time, you will be on your way to the movies…or another Friday night adventure. 🙂

5 from 3 votes
Butternut Squash Caramelized Onion Pizza Recipe
Butternut Squash Caramelized Onion Pizza
Prep Time
10 mins
Cook Time
20 mins
Total Time
35 mins
Flat Bread Pizza with Butternut Squash, Caramelized Onions and Spinach melds buttery fall flavors and will have everyone looking forward to pizza night!
Course: Main Course
Cuisine: American
Servings: 4 servings
Calories: 418 kcal
Author: Marjory Pilley
  • 1 cup Slow Cooker Caramelized Onions or make the caramelized onion recipe below
  • 4 cups butternut squash peeled and diced into small ½ inch size cubes
  • 1 Tablespoon olive oil
  • 1 Tablespoon butter or vegan substitute
  • 6 ounce baby spinach leaves
  • 4 slices flat bread
  • 2 cups mozzarella cheese or vegan substitute, shredded
To Make Caramelized Onion on the Stove-Top
  • 1 Tablespoon butter
  • 1 Tablespoon olive oil
  • 3 yellow onions sliced thin (about 2 cups)
  1. Heat olive oil and butter over medium-high heat.
  2. Add butternut squash and saute for about 5-7 minutes or until squash is just about fork tender.
  3. Add spinach leaves and saute for about 3 minutes more or until spinach has wilted. Stir in caramelized onions.
  4. Pre-bake flat breads according to instructions. (I baked mine for 3 minutes in a 375 F oven.)
  5. Remove flat breads from oven.
  6. Distribute ¼ of the butternut squash, spinach and onion mixture over each slice of flat bread.
  7. Sprinkle 1/2 cup mozzarella cheese over the top of each slice.
  8. Return flat bread to the oven and cook for 4-5 minutes more or until cheese has melted.
Directions to Make Caramelized Onions on the Stove-Top
  1. Melt butter in a large pan over medium-low heat.
  2. Add olive oil and onions to pan and stir to coat.
  3. To caramelize onions, cook onions over medium-low heat for about 30 minutes. Check and turn onions every 5-10 minutes until the onions are brown, but not burnt.
Recipe Notes

Butternut squash can be peeled and diced up to two days ahead of time.

Nutrition Facts
Butternut Squash Caramelized Onion Pizza
Amount Per Serving (4 g)
Calories 418 Calories from Fat 144
% Daily Value*
Total Fat 16g 25%
Saturated Fat 8g 40%
Cholesterol 43mg 14%
Sodium 654mg 27%
Potassium 917mg 26%
Total Carbohydrates 50g 17%
Dietary Fiber 5g 20%
Sugars 6g
Protein 20g 40%
Vitamin A 384.5%
Vitamin C 55.4%
Calcium 60%
Iron 16.7%
* Percent Daily Values are based on a 2000 calorie diet.

Enjoy! The Recipe Reduxers are sharing healthy versions of their favorite food memories. Check out the link below and see if one of yours is there or share it in the comment section. Cheers!

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Butternut Squash Caramelized Onion Flatbread Pizza





  1. Wow, that looks amazing. Thanks for sharing!

  2. A great combination for pizza or anything!

  3. You had me at butternut

  4. This is my kind of pizza! it looks awesome!

  5. I’ve been meaning to make pizza lately, and this looks amazinggg! <3 I love butternut squash! :]

  6. I might add a little leftover turkey to this!

  7. Totally going to have to try this at my next dinner party!

  8. I love butternut squash on pizza! And you can never go wrong with caramelized onions! Great combo!

  9. My kind of pizza for sure!! oxox

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