What is the main difference between baby back ribs and spare ribs?

The main distinction between baby back ribs and spare ribs lies in their size and tenderness. Baby back ribs, which come from the upper portion of the pig's rib cage near the spine, are generally smaller and leaner compared to spare ribs, which are sourced from the belly area and contain more fat and connective tissue. This anatomical difference contributes to the tenderness of baby back ribs. They typically require a shorter cooking time and are favored for their delicate texture and flavor.

In contrast, spare ribs are larger and have more meat on them, but they can also be tougher than baby back ribs due to the higher fat content and the location from which they are cut. This results in a longer cooking time needed to break down the tough connective tissues in spare ribs, making them less tender compared to baby backs when cooked using the same methods. The factors of size and tenderness are key when differentiating these two types of ribs, as they directly influence cooking techniques and flavor profiles.