Bacon needs to be blanched before consuming it, because bacon and other smoked products will have a certain amount of nitrite, blanching can remove nitrite from bacon, and then it can be cooked for 15-30 minutes before consuming it.

Bacon is rich in fat, protein, carbohydrates, but also contains phosphorus, potassium, sodium and other elements. In addition, bacon is usually made with fresh skinned pancetta, which is split into pieces and then marinated with salt and a small amount of sodium nitrite or sodium nitrate, black pepper, cloves, allspice, fennel and other spices.