Mom'S Fudge Sauce - cooking recipe

Ingredients

1 stick butter plus 1 Tbsp.
1/2 c. cocoa
3 c. sugar
1 (13 oz.) can evaporated milk
1 Tbsp. vanilla

Preparation

Mix together butter and cocoa.
Add sugar, 1/2 cup at a time. Over low heat, gradually add evaporated milk.
Bring to boil and continue to boil for 4 to 5 minutes.
Stir often.
Add vanilla. Remove from heat and serve.
Refrigerate leftovers.