01 -
In a medium bowl, whisk together flour, baking powder, and salt until well combined.
02 -
In a separate bowl, whisk together egg, sugar, milk, vegetable oil, and vanilla extract until smooth.
03 -
Pour the wet ingredients into the dry ingredients and stir just until combined. Don't overmix - a few lumps are okay.
04 -
Preheat waffle iron and lightly coat with cooking spray. Ladle batter into the waffle iron and cook for 5-7 minutes until golden brown and crispy.
05 -
Remove waffles from iron and let cool slightly. Using a sharp knife, carefully slice each waffle in half horizontally to create top and bottom pieces.
06 -
Spread pizza sauce evenly on the bottom half of each waffle. Top with shredded mozzarella cheese and arrange pepperoni slices over the cheese.
07 -
Place the topped waffle halves under the broiler for 2-3 minutes until the cheese is melted and bubbly. Watch carefully to prevent burning.
08 -
Remove from broiler and carefully place the waffle top halves over the melted cheese and pepperoni. Serve immediately while hot and crispy.