carrots, leeks), garlic, salt and pepper, then garnish.
Bring to a boil over medium heat until gently. Simmer, reduce to a gentle simmer: it should have small regular bubbles, not a big boil. It’s this gentle seasoning that will soften the meat without making it “effilochéed”.
Let it mix long enough: count around 2 hours 30 to 3 hours 15 depending on the thickness of the piece (and your firmness).
While cooking, monitor the color of the broth: it should remain relatively clear. If foam appears, remove from oven and