Ingredient:

• 1 package (1/4 ounce) active dry yeast
• 2 teaspoons sugar
• 1 cup warm water (110° to 115°)
• 3 cups gluten-free baking flour (with xanthan gum), plus more for rolling
• 1 teaspoon baking powder
• 1 teaspoon salt
• 1/2 cup olive oil
• 1 large egg, room temperature
• 1 teaspoon cider vinegar