Stay Soft Chocolate Frosting
["3/4 c. sugar", "2 Tbsp. cornstarch", "1/4 c. cocoa", "1 tsp. vanilla", "1 c. milk", "1 tsp. butter"]
["Blend together cocoa, cornstarch and sugar.", "Add milk, a little at a time.", "Cook slowly until thickened.", "Remove from heat. Add vanilla and butter.", "Stir gently, until cool and thick enough to spread.", "This will frost 2 layers."]
["sugar", "cornstarch", "cocoa", "vanilla", "milk", "butter"]