Heat the pan into medium heat and add the oil, onions and bell pepper stir for few seconds then add the shredded leftover lamb and stir for few seconds session with salt and pepper according to your preferences.

Add a layer of meat mixture, slices of cheese. Melt the cheese under a preheated grill or just melt the cheese in a microwave.
Serve immediately.

#Tip:

This also works really well as a toasted sandwich, with slightly stale bread.

You can use any type of roasted meat in your sandwiches like chicken, beef, mutton or turkey.