Chocolate Fudge
["2 c. sugar", "2 Tbsp. cocoa", "2 Tbsp. Karo", "1/2 c. evaporated milk", "3/4 stick butter (6 Tbsp.)", "1 tsp. vanilla"]
["Bring to boil for 2 minutes.", "Let cool to lukewarm.", "Add vanilla.", "Beat until ready to drop."]
["sugar", "cocoa", "milk", "butter", "vanilla"]