Folks, might be a tad early but I need Christmas dinner help.

I'll grill boneless short ribs, but my brother and his wife/kids are the issue in regards to most sides.

1-I will make mashed potatoes for the adults but white rice for the kids.
2- One kid likes corn, the other peas, so I have them for them.
3- The NYT Black Bean East bake will be one of my apps.

I'm clueless about sides for the adults. I have frozen cheddar broccoli and cauliflower in my freezer. Food&Wine * had a sweet potato with chorizo butter which I may use for the adults, but I don't know what else to make.

*So I believe for credit.