What You Need to Know
The slow, moist heat causes collagen in meats to denature into gelatin, while amino acids and reducing sugars undergo Maillard browning to form complex melanoidins. Simultaneously, starches in tubers and grains are hydrolyzed into dextrins, enhancing digestibility and creating a caramelized crust.
The Science
Primary Reaction
Collagen denaturation and Maillard browning