INGREDIENTS
9 oz
mushrooms
1/2
small onion
1
leek (white part only)
1
small garlic clove
2 oz
wheat flour
2 oz
butter
1 1/2
to 2 cups milk
1/2 tsp
salt
1/4 tsp
black pepper
2 tbsp
flat-leaf parsley
fresh lemon juice
1 oz
Parmesan (or to taste)
1 tbsp
oil (neutral flavor)