Ingredients
Instructions
- Cook onions until tender in a skillet prepared with non-stick cooking spray over medium-high heat.
- When onion is browned, add syrup, stirring well, and cook for an additional minute.
- Allow onion to cool. Spread 2 slices of bread with mayonnaise.
- Layer remaining ingredients on top, ending with the second slice of bread on each sandwich.
- Spray both sides of each sandwich with cooking spray before placing on panini grill or in skillet.
- If using panini grill, grill the sandwiches for about 3 minutes, or until cheese is melted and bread is toasted.
- If using a skillet, cook sandwich over medium heat for about 2 minutes on each side, flipping once, or until cheese is melted and bread is toasted. Use a second skillet to weight down the sandwich on top.