01 -
1 cup of shredded provolone cheese.
02 -
450 g of thinly sliced beef steak.
03 -
450 g of cheese tortellini.
04 -
2 tablespoons of olive oil.
05 -
2 tablespoons of unsalted butter.
06 -
1 large onion, sliced.
07 -
1 green bell pepper, sliced.
08 -
2 tablespoons of plain flour.
09 -
2 cups of milk.
10 -
Salt and black pepper to taste.