We are having lemonade and Ice Tea How many gallons.

There will be many kinds of desserts. I am good with that total.

Other toppings, take a look at the taco/potato bar

Mac & Cheese- 1 pound dry per 10, 1 quart sauce. 1/2 -1 pound cheese per pound of pasta
Bake Beans- 3 gallons per 100
Pasta Salad- 10 pounds dry pasta plus add-ins
Garden Salad- use the plan for 100 list, 2 times
Consider adding 3-4 gallons of slaw
Bean Salsa 1/4 cup per person
chips- 1 pound per 10