Don't dread the smell of tuna because this sandwich is stink free and healthy AF. Tuna is probably one of the easiest things to throw into a lunch pack because it takes barely any time to prepare and is so easily accessible. It has high levels if omega-3s and a bomb positive impact on heart health. Accompanied by vitamin filled spinach, celery, and pepper, this wrap also uses greek yogurt instead of mayo so there's no extra fat and cholesterol. Check out this easy and yummy lunch recipe.