Preheat oven to 350°F.
Line a muffin tin with liners.
Mix the dry ingredients in a bowl, whisk together: Flour, Chocolate protein powder, Cocoa powder, Brown sugar, Baking powder, Baking soda, and Salt.
In another bowl, whisk the wet ingredients: Eggs, Greek yogurt, Melted coconut oil, Maple syrup, Milk and Vanilla.
Pour wet into dry.
Gently fold until just combined.
Do not overmix.
Fold in chocolate chips (batter should be thick but scoopable).
Fill muffin cups about ¾ full.
Sprinkle extra chocolate on top.
Bake 18–22 minutes, until a toothpick comes out with moist crumbs (not wet batter).Do not over bake!
Let cool 10 minutes before removing.