Golden Graham s’mores Bars

Golden Graham s’mores Bars 1 bag (10.5 oz) miniature marshmallows (5 1/2 cups) 1 1/2 cups milk chocolate chips (9 oz) 5 tablespoons butter or margarine 1/4 cup light corn syrup 1 teaspoon vanilla 1 box (13 oz) Golden Grahams cereal (8 cups) Grease 13×9-inch pan with butter. Reserve 1 cup of the marshmallows. In a large saucepan, melt the chocolate chips, butter, corn syrup and remaining marshmallows over low heat. Stir until completely melted. Remove from heat; stir in vanilla. Pour cereal into saucepan. Stir until coated with the melted chocolate mixture. Stir in remaining 1 cup marshmallows. With buttered back of spoon, press mixture in pan. Cool at least 1 hour or until firm. Store loosely covered at room temperature.