Step 1

Heat oven to 400 degrees. Grease a 12-cup popover tin with cooking spray.

Step 2

In a blender, combine olive oil, milk, eggs, smoked mozzarella, Parmesan, tapioca flour, salt, and pepper. Blend until the mixture is completely smooth.

Step 3

Pour the batter into the prepared popover tin, filling each cup about two-thirds full.

Step 4

Bake for 15 minutes, or until the pão de queijo are puffed and golden brown. Let cool slightly before serving. Pão de queijo are best enjoyed warm and fresh out of the oven.