vegetarian

Lasagna, if you have any Italian heritage, counts as a thanksgiving meal.

Beyond chili sounds great!

I make my grammum‘a Pennsylvania German potato filling, basically mashed potatoes plus filling stuffed into a bread pan basted in butter and baked. She did not have a recipe, just a list of ingredients: potatoes mashed, celery and onion chopped and cooked, butter, salt and pepper, an egg, stale bread chopped, herbs (I use rosemary and thyme), and milk if needed to thin it a bit.

I've made an imitation meat Bolognese which works surprisingly well and tastes very good, if that's your group's style