Bone marrow is a rich, fatty tissue found inside bones that has a buttery, mineral flavor. It’s used in soup stocks; split open, roasted and served with bread; or with beef entrees. Bone marrow has a rich flavor and soft texture that make it a great substitute for foie gras.

Bone marrow is in the Inception stage. It’s considered a premium ingredient that can be found mostly at fine-dining and ethnic independent restaurants.

Toro, with locations in Boston and New York City, serves Asado De Hueso — roasted bone marrow with radish citrus salad and oxtail marmalade.