3 - 3 1/2 c. powdered sugar
3/4 c. cocoa
1/8 tsp. salt
6 tbsp. milk
2 tsp. vanilla
1/2 c. softened butter

Combine powdered sugar, cocoa and salt. Add milk and vanilla. Blend until smooth. Add butter and beat until of spreading consistency. Add a little more powdered sugar if needed. Frosts 9 x 13 inch or 2 layers.