ruskistua
Ruskistua is a Finnish verb that translates to "to brown" or "to become brown" in English. It is primarily used to describe the process of food changing color due to heat, typically through frying, baking, or roasting. For instance, one might say "liha ruskistuu pannulla" which means "the meat is browning in the pan." This browning is often a desirable outcome in cooking as it contributes to flavor and texture through the Maillard reaction, a complex chemical process that occurs between amino acids and reducing sugars when heated.
The verb can also be used metaphorically to describe a change in color due to other factors,