Ready in 20 minutes
Top-ranked recipe named "Philadelphia Fryers"
1. In a nonstick skillet over medium heat, cook the onion and peppers until tender. Add the salsa and heat until warm.
2. Construct the sandwiches with the buns, roast beef, onions, peppers, and cheese, then warm them in the microwave for 1 to 2 minutes on high, until the cheese starts to melt.