Old-fashioned veal blanquette - La Tonnelle Hotel

Ingredients

• 600 g of veal shoulder
• 1 onion
• 2 carrots
• 1 leek white
• 1 small celery branch
• 1 clove of garlic
• 2 Cloves
• 1 bouquet garni
• Salt
• Pepper
• 2 l of veal broth
• 16 small baby onions
• 20 g of butter
• 1 pinch of salt
• 1 pinch of sugar
• 150 g (The mushrooms of Paris)
• ½ Lemon
• 10 g Of butter
• 40 g Of flour
• 40 g of butter
• 50 cl of broth
• 100 g thick cream
• 1 egg yolk
• 1 tablespoon lemon juice