Hot Fudge Sauce
["3 Tbsp. butter", "1/3 c. cocoa", "1/3 c. boiling water", "1 c. sugar", "2 Tbsp. corn syrup", "1/2 tsp. vanilla"]
["Melt butter in a saucepan; add cocoa and mix well.", "Add boiling water gradually, stirring constantly.", "Heat to boiling; add sugar and syrup, stirring until dissolved.", "Simmer for 5 minutes; add vanilla.", "Serve hot."]
["butter", "cocoa", "boiling water", "sugar", "corn syrup", "vanilla"]