O'Henry Bars
["4 c. oatmeal", "1 c. brown sugar", "2/3 c. melted butter", "3 tsp. vanilla", "1/2 c. Karo syrup"]
["Mix first 3 ingredients well; add vanilla and syrup.", "Pat in 9 x 13-inch pan.", "Bake at 375\u00b0 for 12 minutes."]
["oatmeal", "brown sugar", "butter", "vanilla", "syrup"]