Mother'S Fudge
["2 Tbsp. cocoa", "2 c. sugar", "1 c. milk", "3 Tbsp. Karo", "1 Tbsp. vinegar", "1/2 stick margarine", "1 tsp. vanilla"]
["Mix together cocoa and sugar.", "Add milk, Karo, and vinegar. Cook until candy reaches soft ball stage (234\u00b0 on candy thermometer).", "Add margarine and vanilla.", "After cooling, beat with spoon until fudge loses it's gloss.", "Drop by teaspoonfuls on waxed paper."]
["cocoa", "sugar", "milk", "vinegar", "margarine", "vanilla"]