A big fritatta for breakfast you can make ahead? sams has those giant packs of muffins too carrot/blueberrry etc fresh fruit available like you mentioned.
http://allrecipes.com/recipe/13933/b...corn-salad-ii/ This is easy to make and can make lots and have big bag of tortilla chips to eat with. Layered taco salad instead of tacos one night?
https://www.thrillist.com/recipe/nat...es-for-a-crowd You can always do good old burgers. Can get patties from Sams and some nicer rolls and bags of lettuce and then ust put out the condiments and any other toppings like sliced onion