INGREDIENTS
1
egg
1/3 cup
buttermilk
4 tbsp
butter, melted and slightly cooled
1 tsp
vanilla
3/4
cup flour
1/3 cup
unsweetened cocoa powder (Dutch processed or natural)
1/4
cup light brown sugar
1/4
cup granulated sugar
1/2
teaspoon baking soda
1/2
teaspoon baking powder
1/2
teaspoon salt
6
Oreos, finely crushed
1/4
cup butter, softened
1/4
cup shortening
2 cups
confectioners’ sugar
2 tsp
vanilla
4 tbsp
milk