Blend oats in a food processor or blender until it becomes a fine flour
In a microwave-safe mug or bowl, combine oat flour, protein powder, cocoa powder, monk fruit sweetener, salt, and baking powder
Stir in almond milk until a smooth batter forms, then fold in chocolate chips
Microwave for 1 to 1.5 minutes, or until the brownie is set but still slightly gooey in the center
Let cool for a few minutes and enjoy
