Stay Soft Chocolate Frosting - cooking recipe

Ingredients

1/4 c. cocoa
3/4 c. sugar
1 tsp. vanilla
2 Tbsp. cornstarch
1 c. milk
1 tsp. butter

Preparation

Blend cocoa, sugar and cornstarch.
Add milk and cook slowly until thickened, stirring constantly.
Remove from heat, add vanilla and butter.
Stir gently until cool and thick enough to spread.