Cheap, nutriitious and bulky? ... natural peanut butter ... soy nuts ... edamame ... whole grain bread ... bananas ... chicken ... canned tuna ... apples ... eggplant ...eggs ... carrots ... oats ... low-fat milk and cheeses ... cantaloupe and honeydew ... hummus ... beans; black, pinto, navy ... brown rice ... turkey ... whole wheat pasta, pita, and tortillas ... shredded wheat or wheatabix ... dried fruit ... potatoes, yams, and sweet potatoes ... lentils, lentil soup ... couscous ... green beans ... yogurt ... tofu ... cabbage ...