Meals that can feed around 150?

Baked ham, scalloped potatoes or fettucine alfredo, ermilk cornbread with honey, broccoli and pineapple salad, coleslaw. Fresh fruit salad with ice cream - you can hollow out some watermelons and make melon from cantalope and honeydew melons, pineapple wedges, toasted coconut and seedless gs into a fruit salad and pack it back in the watermelons - carve them like a large basket with a handle and they they are the serving bowls.