5 calories and under (or, foods to eat when you've used up a

I eat cucumber slices, baby carrots, zucchini, yellow squash, or raspberries when I'm running real low on calories. Not really "5 calories and under," but less than 40 cals for a pretty big serving.

sugar snap peas! the crunch is satisfying and they are delicious!

Here are some sites with snack ideas that are 100 calorie or less:

http://www.goodhousekeeping.com/health/nutrition/low-calorie-snacks-0606

http://www.nutritiousfeast.com/2009/03/healthy-snacks-around-100-calories-or.html

http://www.eatingwell.com/recipes_menus/recipe_slideshows/100_calorie_snacks