Hot Fudge Sauce
["1/4 c. butter", "6 Tbsp. cocoa", "1/8 tsp. salt", "1 1/2 c. sugar", "1 c. evaporated milk", "1 tsp. vanilla"]
["Heat butter and cocoa in top of a double boiler until melted. Stir in salt and sugar in small amounts.", "Blend well after each portion; then stir in milk and vanilla very slowly.", "Cook until it gets thick."]
["butter", "cocoa", "salt", "sugar", "milk", "vanilla"]