One of my many hats at startups is ordering food for the team. Here are some ideas that walk the line of healthy and delicious inspired by experiences at Pelago, Twilio, and Referly. This does not include fresh fruit and vegetables, but I encourage you to Google for your local farmer's box subscription.
People will complain about diet soda at first, but they'll ultimately be grateful when their waistlines go back to normal. Diet Coke is a great appetite suppressant, the bubbles are satisfying, and most people will drink it.
Although you might think buying big boxes at Safeway is cheaper, individually wrapped packages reduce the spread of germs. It only takes a few office epidemics to realize it is worth it to keep everyone clean and healthy.