One surefire way to make certain all your guests get a piping hot, juicy Johnsonville brat is to create a simple bratwurst hot tub.
Prepare brats on a gas or charcoal grill according to package directions
When brats are cooked, remove from grill and place in foil baking pan
Place pan on grill, add beer, butter and onions
Over medium heat, on a covered grill, allow brats to simmer in beer and onions.
Serve each brat with onions on a bun. Enjoy!