Bananas also contain a good amount of inulin, another soluble fiber. Inulin is a prebiotic, a substance that promotes the growth of beneficial bacteria (probiotics) in the intestinal system.
White Toast and Crackers
Yogurt [kefir, etc...]
Cooking the apples makes them easier on your system to digest, thus allowing you to benefit from the pectin, sugar and other nutrients that lie within.
White Rice and Mashed Potatoes
Steamed Chicken [Chicken Soup too, add white rice/potatoes]
Reportedly, dried blueberries have a long history of use in Sweden as a treatment for diarrhea.