Method and related apparatus (10) to obtain a treated food product, which provides at least to place at least one quick-frozen or frozen food product, contained in a respective vacuum-packed wrapping, in a positive temperature environment； to defrost the food product placed in the positive temperature environment in a defrosting station (14), subjecting it to a hydrostatic pressure comprised between 1000bar and 7000bar until said food product itself is brought to a positive temperature； and to cook the defrosted food product contained in the resulting vacuum-packed wrapping in a cooking station (16). The present invention relates also to the resulting food product.
