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

Blend together sugar, flour, cocoa, and salt. Add boiling water and cook until thick, stirring constantly, about 5 minutes. Remove from heat and add butter and vanilla. Store in refrigerator. Makes about 1 1/2 cups.