beer to cover
medium large sweet onion, sliced
Place brats in a Dutch oven with onions and butter and cover the brats with beer. Bring to a boil and reduce to simmer until brats are cooked. Remove brats and set aside beer mixture. Gill brats until golden brown and return to beer mixture until ready to serve. Serve brats on fresh baked brat buns with sauerkraut, onions, green peppers & mustard.