Gather all ingredients and measure accurately for best results.
Preheat the waffle iron and lightly grease the surface.
In a large bowl, whisk together flour, cocoa powder, granulated sugar, brown sugar, baking powder, and salt.
In another bowl, whisk eggs, melted butter, milk, and vanilla extract until combined.
Pour the wet ingredients into the dry ingredients and gently fold until just combined.
Fold in the mini chocolate chips into the batter.
Let the batter rest for 2 minutes.
Pour enough batter into the waffle iron to cover the surface.
Cook waffles for 3 to 4 minutes until crispy and cooked through.
Carefully remove waffles and serve immediately with desired toppings.