Cathy's Gluten-Free Oatmeal Waffles

Step 1
Preheat a waffle iron according to manufacturer's instructions. Grease with cooking spray.

Step 2
Combine oats and almond milk in a large bowl.

Step 3
Whisk egg yolk and butter together in a small bowl; stir into oat mixture.

Step 4
Beat egg white in a glass, metal, or ceramic bowl until stiff peaks form.

Step 5
Stir brown sugar and baking powder into the oat mixture. Fold beaten egg white gently into the batter.

Step 6
Scoop 1/2 cup batter onto the preheated iron and spread to the edges. Close iron and cook until iron stops steaming, about 5 minutes. Repeat with remaining batter.