01 -
Heat your oven to 350°F (175°C). Coat a donut pan well with cooking spray and put it aside.
02 -
Grab a big bowl and mix flour, cocoa powder, baking soda, and salt together until everything's combined.
03 -
In another bowl, stir buttermilk, sugar, egg, melted butter, and vanilla until they're fully mixed.
04 -
Pour wet stuff into dry stuff and stir just until combined. Don't mix too much!
05 -
Put batter into each donut hole, filling about 3/4 of the way to let them grow while baking.
06 -
Stick them in the oven for 8-10 minutes. They're done when a toothpick comes out clean.
07 -
Take them out and let them sit in the pan for 5 minutes. Then move them to a wire rack to cool all the way.
08 -
In a bowl, combine confectioners sugar, cocoa powder, vanilla, and milk. Add more milk bit by bit if it's too thick.
09 -
Dunk the tops of cooled donuts into the glaze and put them back on the rack. Add sprinkles now if you want them to stick.