Beef Short Ribs

INGREDIENTS

3 tbsp

olive oil

meaty beef short ribs

3 cups

semi-circle slices of onions (1/4-inch thick)

4 tbsp

tomato paste

10 oz

dark ale or stout beer

sprigs fresh thyme (left on the stem)

sprigs flat leaf parsley (left on the stems)

1 1/2 qt

vegetable stock

1 tbsp

Worcestershire sauce

1/4 cup

unsalted butter

1/4 cup

plus 2 tablespoons all-purpose flour

Salt and pepper