A seasonal themed buffet that focuses on the seasons and their colors would be cool. Beauty and the Beast has 3 rooms. Have the buffet have 4 sitting rooms focused on each season.
Then the buffet:
Winter: soups, stews, gumbo, chili, Shepards pie.
Spring: deli meats & cheeses, salads, fresh fruits & veggies,
Summer: Luau & Brazilian steakhouse
Fall: Fall Harvest Foods
Desserts also season themed & holiday themed to go with the seasons.