Old-Fashioned Fudge
["4 Tbsp. cocoa", "1 1/2 Tbsp. butter", "2 c. sugar", "1 c. milk", "1/8 tsp. salt", "1/2 tsp. vanilla"]
["Melt butter and cocoa, then add sugar, milk and salt.", "Place over low heat and stir until sugar is dissolved.", "Bring to boil, without stirring, to soft ball stage.", "Add vanilla and beat until cooled.", "Pour into a greased pan.", "Cool and cut into small squares."]
["cocoa", "butter", "sugar", "milk", "salt", "vanilla"]