▢½ cup room temperature butter ▢½ cup shortening ▢4 cups powdered sugar ▢3 teaspoon vanilla ▢3-4 Tablespoons of Evaporated Milk ▢½ cup unsweetened cocoa powder
Beat butter and shortening together on medium speed for a few minutes.
Turn down your mixer to slowest speed and slowly add sugar, vanilla.
Turn mixer back to medium speed and add milk one tablespoon at a time until you reach your desired consistency.