Hard Rock Candy
["3 1/4 c. sugar", "1 c. water", "1 1/4 c. light Karo", "1 tsp. flavor (your choice)", "2 or 3 drops food coloring (your choice)"]
["Mix all ingredients except the flavoring and the food coloring in a saucepan.", "Let heat until 300\u00b0.", "Take off of heat.", "Add coloring and flavoring.", "Have cookie sheet lined with powdered sugar.", "Pour in a sheet and allow to cool."]
["sugar", "water", "light Karo", "flavor", "coloring"]