2/3 c. light corn syrup
1 tsp. vanilla
2 tbsp. butter
8 c. Golden Graham cereal
11 1/2 oz. pkg. milk chocolate chips
3 c. mini marshmallows

Butter 13 x 9 x 2 inch pan. Heat syrup, butter and chips to just boiling in 3 quart pan, stirring constantly. Remove from heat and stir in vanilla. Pour over cereal in large bowl. Toss quickly until cereal is completely covered with the chocolate. Fold in marshmallows, 1 cup at a time. Press evenly in pan with buttered spoon. Let stand at least an hour and then cut into squares. Store in tightly covered container.