Foods high in potassium include banana, papaya, prune, raisin, mango, orange, melon, pear, potato, sweet potato, mushrooms, brussels sprouts, avocado, broccoli, bean, milk, seeds, turkey, beat, peanut, yogurt. Have you checked with your dr. though? Since diet can't fully correct high potassium, you'll need to have the cause of high potassium identified.