Preheat oven to 350 degrees F. Spray donut pan with cooking spray.
In a medium bowl, add the egg, almond milk, Greek yogurt, honey, and vanilla. Whisk to fully combine.
In a separate bowl, mix flour, protein powder, cocoa powder, baking powder, baking soda and salt. Mix together then add to wet ingredients. Stir together until fully combined. Scoop out by 2-3 tablespoons full, into the donut mold. This should fill each mold 2/3 full.
Bake for 10-12 minutes or until a toothpick inserted comes out clean.
Mix chocolate chips with avocado oil in a microwave safe dish. Heat in the microwave in 30-second intervals, stirring each time. Once it is smooth, dip the top of each donut into he glaze and allow the excess to drip off.
Chill in the refrigerator for 30 minutes to harden the glaze.