Keto Pepperoni Pizza with Fathead Crust

Ingredients (10)

• + 2 teaspoons yeast add to pantry
• + 2 tablespoons warm water add to pantry
• + 3 cups shredded part-skim mozzarella cheese, divided add to pantry
• ✓ 1 large egg, lightly beaten
• + 1 cup almond flour add to pantry
• + 1 teaspoon xanthan gum add to pantry
• + ⅛ teaspoon salt add to pantry
• + ¼ cup no sugar added pizza sauce (such as Rao's®) add to pantry
• + 2 ounces sliced pepperoni add to pantry
• + 1 pinch red pepper flakes to taste add to pantry