The Chemical Magic of Crispy Toast
Toasted bread is not just dried out, but chemically transformed. The browning on your breakfast happens because of the Maillard reaction, a complex process that rearranges amino acids and sugars when heated.
This process is the same secret behind the delicious crust on a steak or the rich flavor of roasted coffee. Without this specific heat-triggered reaction, your bread would remain soft and pale despite the added warmth. It is essentially a miniature chemistry experiment taking place right on your kitchen counter every morning. The next time you make a slice, you are witnessing a fundamental culinary transformation.
Source: Toaster