Cream Cocoa Icing - cooking recipe

Ingredients

1 egg
2 c. sifted powdered sugar
2 1/2 Tbsp. cocoa
1/8 tsp. salt
butter (size of an egg)
1 tsp. vanilla
2 Tbsp. cream

Preparation

Beat eggs until foamy.
Add all, except cream and vanilla, and mix.
Then add cream and beat until consistency to spread.
Add vanilla.