Hot Fudge Sauce - cooking recipe

Ingredients

21 oz. Nestle chocolate bars or bits
1 can Eagle Brand milk
1 1/4 c. light Karo syrup
1/2 lb. butter
3/4 tsp. vanilla
2/3 to 3/4 c. milk

Preparation

In top of double boiler, melt Nestle bars and butter.
Add condensed milk, Karo syrup and vanilla.
Stir 10 minutes while heating.
Continue cooking 20 minutes, without stirring, then add milk.