Mushroom Sauce - cooking recipe

Ingredients

12 oz. fresh mushrooms
1 small onion
1 bay leaf
12 oz. can beef stock
1 1/2 Tbsp. butter
2 Tbsp. flour
salt and pepper

Preparation

Wash, slice and cook mushrooms until tender.
Drain.
Cook flour and butter together until brown.
Add stock, onion and bay leaf.
Cook about 10 minutes, stirring constantly.
Remove onion and bay leaf.
Add mushrooms.
Add salt and pepper to taste and reheat.