Sybil Carter`s Chocolate-Peanut Butter Frosting

1/2 c Cocoa

3/4 c Water,hot

3/4 c Peanut butter

1 1/2 ts Vanilla

1/4 ts Salt

4 1/2 c Confectioners` sugar,sifted

Combine cocoa and water. Add peanut butter, vanilla, and salt, beating until smooth. Gradually stir in sugar and beat until smooth again. If needed, add a very little hot water until frosting is of spreading consistency.