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Sweet Potato Pizza Crust
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4.75 from 31 votes

Sweet Potato Pizza Crust | Vegan & Gluten-Free

Steamed sweet potatoes are mixed with oat flour, a bit of almond meal, a chia egg, olive oil, apple cider vinegar, and a zesty array of spices. Then, the mixture is plopped on a pizza pan, spread into a circle, and nudged into a toasty oven. The crust puffs as it bakes thanks to the apple cider vinegar, and the seasonings create the most wonderful aroma. 
Prep Time20 mins
Cook Time1 hr
Total Time1 hr 20 mins
Course: Crust, Pizza
Cuisine: Gluten-Free, plant-based, Vegan
Servings: 1 large pizza crust or 2 medium crusts (approximately 4 people)

Ingredients

  • 5 1/2 cups (28 ounces) peeled and small-cubed sweet potatoes
  • 1 tablespoon chia seeds
  • 3 tablespoons water
  • 1 1/4 cup gluten-free oat flour
  • 1/4 cup almond meal
  • 1 tablespoon olive oil
  • 1 tablespoon apple cider vinegar
  • 1 teaspoon dried basil
  • 1 teaspoon dried oregano
  • 1 1/4 teaspoons garlic powder
  • 1/2 teaspoon fine-grain sea salt
  • Pinch of chili flakes

Instructions

  • Be sure to measure out 5 1/2 cups of sweet potato cubes (i.e., don't estimate based on the number of potatoes). Steam the sweet potato cubes in a steamer or over the stove for 30 minutes or until fork-tender.
  • Add the chia seeds and water to a small bowl, whisk with a fork, and let stand at room temperature for 10 minutes to create a chia egg.
  • Preheat oven to 400F.
  • Add the steamed sweet potatoes to a large mixing bowl and mash them.
  • Add in the chia egg, oat flour, almond meal, olive oil, apple cider vinegar, basil, oregano, garlic powder, sea salt, and chili flakes. Stir together until combined and all of the oat flour has been incorporated. The mixture should resemble a loose bread dough—sticky and damp yet slightly stretchy.
  • Line a round perforated pizza pan (i.e., vented) with parchment paper.
  • Scoop the sweet potato dough onto the lined pizza pan, and use a spatula to spread it into a large 1/4-inch-thick to 1/3-inch-thick oval or circle. This process takes 5 minutes. If needed, lightly grease the spatula with olive oil to prevent the crust from sticking.
  • Bake for 25 to 35 minutes, or until the crust is well set and the edges are golden brown.
  • Remove from the oven and let cool slightly.
  • Add desired toppings (e.g., pizza sauce, vegan parmesan, artichokes, cherry tomatoes, basil) and return the pan to the oven and cook for another 5 to 10 minutes or broil for 5 minutes, until the toppings reach desired doneness.
  • Slice and serve immediately.
  • Refrigerate leftovers* for up to 4 days.

Notes

*There tends to be some variability in baking time across kitchens, so you may need to bake up to 40 minutes to ensure the center of the crust is set. Alternatively, divide the dough into two pieces, spread each mound of dough out into a 1/4-inch-thick to 1/3-inch-thick layer on two separate pizza pans (forming two crusts), and bake each for 22 to 25 minutes, or until the edges are light golden-brown and the center of the crust is set. Then, add toppings and bake another 5 to 10 minutes.
**To reheat leftovers: Preheat the oven to 400F. Spread the leftover pizza slices onto a parchment-lined baking pan, and bake for 8 to 10 minutes, or until warmed through and the bottom of the slices becomes slightly crisp.