So you have 40 relatives ready to attend your family reunion. What are you going to do about food? The biggest issue is, where is all of that food going to come from in the first place and who is going to pay for it.
The organizer of the reunion is just that. The organizer. They shouldnt be expected to provide food and drinks for everybody by themselves.
You will need to consult the heads of each family to get an idea of what to do. You might have to use a majority rule type of system because people dont often agree on what to eat.
Restaurants and caterers are very expensive so here are a couple alternatives.
Barbecue is one of the cheapest and most fun ways to feed any large group of people. Almost everyone has a grill they can load up and take to a park and if not, they know someone who will loan them one.
Barbecues are great because of the many options you can cook at the same time. You can cook ribs, hamburgers, hot dogs, chicken, fish, and even vegetables right on the grill.
This is a great way to please almost everyone. Vegetarians may be left out but you can grill them some corn on the cob or they can bring some veggie...