Grandma Allen'S Fudge Sauce - cooking recipe

Ingredients

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

Preparation

Mix together in saucepan the first 4 ingredients.
Add boiling water and butter.
Cook slowly until thickened.
Add vanilla. Sauce can be refrigerated and kept if you can!