Ingredients

• 3 teaspoons margarine or butter 
• 1 1/2 cups sifted confectioner's sugar 
• 1/2 teaspoon grated lemon peel 
• 1/2 teaspoon vanilla 
• 1/2 tablespoon plain, lemon or vanilla yogurt 

In a small bowl beat margarine until softened. 
Gradually add confectioner's sugar; beat well. Beat in lemon peel and vanilla. Add enough yogurt to make a spreadable frosting. 

Yield: enough to cover a 9 inch cake.