Pre-heat a griddle over medium high heat.
For each sandwich, spread 1 Tbsp(s) on each half of onion nan and top each slice with 2 Tbsp(s) of grated paneer.
Top the bottom half with 2 slices of pepper jack cheese, and 1/4 Cup(s) of roasted red bell peppers.
For each sandwich, melt 1/2 Tbsp(s) of ghee over the griddle and place the sandwich on top.
Spread 1/2 Tbsp(s) of ghee over the top half of the sandwich.
Griddle both sides for 5 minutes or until flatbread is golden and cheese is completely metled.
Optional: Cut in half again before serving.