Tinned meat is a type of food that has been preserved in a can or other container. The most common type of tinned meat is SPAM, which is a canned precooked meat product made by Hormel Foods Corporation. SPAM is made from pork shoulder, ham, salt, water, potato starch, and sodium nitrite. It is a popular food item in many countries around the world and is often used in sandwiches, salads, and other dishes.