Low-carb staples; some must be available at all times:
Meat salad ~ this can be eaten heated in a bowl, or cold wrapped in lettuce or romaine.
-chicken, beef, tuna, salmon, canned or cooked
- chopped veggies! Mushroom, cuc, cooked broccoli, green beans, asparagus, pickle, capers, spinach, kale, cauliflower, summer squash
-shredded brick cheese or cream cheese or goat cheese
-mayo
-seasoning or Worchestershire sauce or horseradish, etc
Boiled eggs
Chopped veggies and homemade ranch dressing for snacking
Crustless quiche or baked omelette-type thing with cheese and veggies in it, slightly undercooked so it won't get dry when it is warmed up.
Lunchmeat and romaine leaves for breadless sandwich rolls.
All natural nut butter and fruit
More to come later....