Blitz the oats briefly in a food processor to break them up, leaving some roughness
Add oats and protein powder to a mixing bowl and combine
Mix maple syrup and peanut butter in another bowl, then add to the dry ingredients
Use the tips of your fingers to rub the peanut butter into the dry ingredients until you get a breadcrumb-like mixture
Add milk one tablespoon at a time while stirring until the dry ingredients are pulled together into clumps but the mixture isn't sticky
Turn the mixture into a lined 8x8 tin and press down until flat and even
Refrigerate while you prep the chocolate
Melt the chocolate in a bowl over a pan of boiling water
Pour the melted chocolate over the base and spread evenly
Refrigerate again until set
Cut into 10 bars and store in your favourite box
