Hot Fudge Sauce - cooking recipe

Ingredients

1 c. sugar
1/3 c. cocoa
2 Tbsp. flour or cornstarch
1/4 tsp. salt
1 c. boiling water
1 Tbsp. butter
1/2 tsp. vanilla

Preparation

Combine the sugar, cocoa, flour and salt.
Add boiling water and butter.
Cook until thick, stirring constantly.
Add vanilla.