White Truffle Sauce

Fry in butter finely chopped onion, garlic, parsley, add the wine and flour, simmer for a short time, add salt and pepper, stir, when the sauce thickens add a little cold soups and chopped truffle into thin slices, cook a minute, stirring constantly, serve .
Truffle White 5g/0,2oz
Garlic 5g/1 teaspoon
Onion 25g/1oz
Butter 50g/2oz
White flour 1 tablespoon/15g
Parsley 25g/1oz
Salt 1 teaspoon/4,8g
Pepper 1 teaspoon/4,8g
Wine white 50ml/17oz
Meat stock 100ml/34oz