Mexicans are experts in salsas and snacks, so think twice about preparing these marrow bones bathed in salsa molcajeteada for a meal or family gathering; it will be a complete success!Remember that this salsa with marrow can serve as an appetizer or as snacks at your gatherings, as it can be served in tacos or accompanied with tostadas or totopos.Did you know? The marrow contains iron and calcium, as well as vitamins A, D, E, and K.