Braised beef in beer with onions

Braised beef in beer and onion is tender meat in a thick sauce. Cooking this dish will take time, but it. Braised beef in beer with onions.

Ingredients

Onion — 2.87 ibs ( 1.3 kg)
Fillet of beef — 5.07 ibs ( 2.3 kg)
Bay leaf 3 pieces
Light beer- 11.83 fl oz (350ml)
Vegetable oil 5 tablespoons
The red wine vinegar 2 tablespoons
Salt of 2.5 teaspoons
Ground black pepper 1 teaspoon