Air popped popcorn
That's popcorn made without butter, oil or salt. Pop it your self in a container with a lid, either over a stove or in a microwave oven. If quantity affects the quality of your eating experience consider that four cups of air-popcorn have only 100 calories and one gram of fat. Compare that to potato wafers-four cups have about 600 calories and 40 grams of fat.