Cut 2 inches thick, 2–3 per pack, roughly 1 lb. The marrow inside the femur bone melts when roasted.
Stand upright on a baking sheet, season with salt and pepper, roast at 450°F for 15–20 minutes until soft and just beginning to bubble. Scoop onto crusty bread or toast with a little flaky salt. Also excellent added to stocks for richness.
Will last 2-3 days in the fridge when fresh or once thawed. Will last up to 6 months frozen.