- Prepare bratwurst according to package directions; cut cooked sausage into ¼-inch slices.
- Spread 5 tortillas with mustard.
- Top with 2 cheese slices, sausage slices, pickle and onion.
- Top with an additional 2 slices of cheese and cover with another tortilla.
- Press down slightly on top tortilla to marry the ingredients together.
- Grill over medium heat on outdoor grill, indoor grill pan or in the oven until warmed through.
- Slice into wedges and serve immediately.