Whether due to personal preferences or health considerations, take into account the specific dietary needs of your crew and make sure you have suitable options for everyone — your crew will appreciate it.
Ask them for input: they can help guide your choices and may even share recipe ideas. For gluten-free options, think quinoa, red lentil pasta or buckwheat (very versatile in crackers, couscous, pancakes, flour or bread) and vary your flours for baking.
Vegetarians can benefit from ready-to-cook or canned legumes (lentils, chickpeas, beans), eggs, cheeses and nuts. And since everyone tends to eat less meat on board, stock up on oily or smoked fish and canned fish too.