Preheat electric griddle to medium and spray with nonstick cooking spray.
In a large bowl add flour, sugar, cocoa powder, baking powder, and salt and whisk to combine. Add eggs, milk, and vanilla and stir to incorporate.
Drop batter by 1/4 cupful onto hot griddle and cook for 1-2 minutes per side, or until done.
Serve immediately with your favorite topping.
Adapted from How Sweet Eats