INGREDIENTS
3/4 cup
soft unsalted butter
1
+ ¾ cups (12¼ ounces) granulated sugar
1/2 tsp
salt
2 cups
unbleached all-purpose flour
3/4 cup
Dutch-process cocoa (I like Saco)
2 tsp
baking powder
4
large eggs
2 tsp
vanilla extract
1
+ ½ cups (12 ounces) milk or water
1
+ ⅓ cups butter, softened
3 cups
confectioners' sugar
1 tsp
vanilla extract
2 cups
marshmallow fluff (coat the cup with cooking spray or lightly with oil first)
1/4 cup
whipping/heavy cream
1/3 cup
semisweet chocolate pieces
rainbow jimmies