- submerged by 1 inch. Place over high heat and bring to a rolling boil for 15 minutes.
A thick, foamy, gray-brown scum will accumulate at the surface; this contains impurities, blood residues, and surface albumins. Drain the bones completely into the sink through a colander. Rinse each bone thoroughly under warm running water to remove all clinging residue, and wash the stockpot clean.
- High-Heat Roasting
Preheat your oven to $220^\circ\text{C}$ ($425^\circ\text{F}$). Arrange the blanched, rinsed bones evenly across a heavy-duty rimmed baking sheet.
Roast