Ingredients

4 1/2 Tablespoons of butter

1 egg yolk

1 1/2 Tablespoons of milk

3/4 a teaspoon of vanilla

Dash of salt

2 cups of powdered sugar

2 1/3 Tablespoons coco powder

Preparation

Combine all ingredients together except sugar and sit to room temperature. Add powdered sugar, beat until desired consistency.