3/4 c. light corn syrup
3 tbsp. butter
11.5 oz. pkg. milk chocolate chips
3 c. miniature marshmallows
1 tsp. vanilla
12 oz. pkg. Golden Grahams cereal

Grease rectangular pan, 9 x 13 inches. Heat syrup, butter, and chips to boiling, stirring constantly. Remove from heat; stir in vanilla. Pour over cereal in bowl; toss until coated. Fold in marshmallows, 1 cup at a time. Press in pan with buttered back of spoon. Let stand 1 hour.