Alheira
Among the processed pork products, one of the most traditional in Trás-os-Montes, Ne Portugal, is the alheira. Being a regional product it is consumed throughout the country, being part of Portuguese gastronomy. There are a large number of different brands, mostly commercial and three with PGI label, which can have different formulations and production conditions that can vary between regions. However, PGI label brands establish a set of guarantees that production methods must comply with. Thus, this chapter describes in detail the formulation processes, stages of elaboration with the analysis of the variability in the centesimal physical-chemical composition.