01 -
Heat oven to 325°F. Spray mini muffin pan or line with papers.
02 -
Whisk flour, sugar, baking soda, and salt in large bowl.
03 -
Heat butter, water, and cocoa until boiling. Pour into dry ingredients.
04 -
Add buttermilk and eggs, mix until combined. Batter will be thin.
05 -
Fill mini muffin cups 2/3 full. Bake 10-12 minutes.
06 -
Heat buttermilk, butter, and cocoa. Add vanilla and sugar when boiling.
07 -
Spoon warm frosting over cooled cakes. Let set.