Philly Cheesesteak 

2 tbsp olive oil

1 kilo beef, sliced very thin

2 bell peppers (red and green), cut into 1 cm strips

1 large yellow onion, cut into 1 cm rings

450 grams mushrooms, sliced

200 grams mozerella cheese, sliced

1 tbsp salt

1 tsp ground pepper

1 tsp oregano

Preheat oven to 250 degrees C.

Heat oil in a large skillet over medium heat. Saute mushrooms until

browned and season with salt and pepper. Remove from pan and set

aside. Saute peppers and onions until browned, and season with salt

and pepper. Remove from pan and set aside. Saute beef until lightly

browned. and season with salt and pepper. Add the cooked vegetables

back int the pan, and remove from heat.

Divide beef mixture into 4 buns. Top with cheese, and sprinkle with

oregano. Place sandwiches on a lined baking pan.

Heat sandwiches in preheated oven, until cheese is melted and slightly

browned.