Prick the skins of potatoes with a fork.
Cook the potatoes in the microwave for 7-8 minutes until slightly tender.
Cut the potatoes into 2-3 cm cubes.
Put the potatoes, leftover meat, onion, green bell pepper and mushrooms in a bowl.
Heat a pan on medium and add the oil.
Spread the meat and vegetable mixture evenly on the pan.
Let the mixture cook for 5 minutes without stirring until slightly brown.
Once brown, flip and cook the other side for 5 minutes until it’s crisp.