Citrus fruits (lemon,lime or orange ade is so refreshing and replaces electrolytes) are very versatile, tomatoes and avocados(choose hard ones & let them ripen as i travel), oats to make muesli for the last b-fast with whatever fruit, nuts and yogurt are left??? cheesecake can go in this too??? I have found that chewing gum is a treat for the grand kids??? keeps them quiet for a bit and relives al