Best Quick Chocolate Icing

Why I Love This Recipe
Every person I've ever made this icing for can't keep their hands out of the mixing bowl. It has a really great thick and creamy consistency that makes it absolutely perfect for cakes and cupcakes. It also takes about 5 minutes to make!
Ingredients You'll Need
2 cups butter (no substitutes), softened
9 cups confectioners' sugar
2 1/2 cups baking cocoa
1 teaspoon vanilla extract
1 cup milk
Directions
In a large mixing bowl, cream the butter. Slowly beat in confectioners' sugar, cocoa and vanilla. Add enough milk until frosting reaches desired consistency.