Preheat your oven to 350°F (177°C).
In a large bowl, mix together the oats, protein powder, cocoa powder, and baking powder.
Add in the egg whites, milk, syrup, 1 tbsp of melted butter, apple sauce, and 2 tbsp of chocolate chips.
Spray a 13"x9" pan with oil and add the oat mixture.
Top with 1 tbsp of chocolate chips.
Bake for 35-40 minutes.
Melt the last tbsp of chocolate chips in the microwave with 1 tsp of milk.
Place the melted chocolate into a piping bag and drizzle over the top.
