INGREDIENTS
3 tbsp
unsalted butter, softened
1/4 cup
+ 2 tablespoons granulated sugar
1/4 tsp
vanilla extract
1/2 tsp
instant espresso powder (optional)
1
large egg yolk
1/2 cup
+ 2 tablespoons all-purpose flour
1/3 cup
unsweetened cocoa powder
1/4 tsp
fine salt
1/4 tsp
baking soda
1/4 cup
milk
For rolling: 1/4 cup sugar (coarse or fine)
!For the frosting:
3 tbsp
unsalted butter, softened
1 1/4 cups
powdered sugar
2 tbsp
milk
sprinkles