A cake in a cup recipe is a method of baking an individual serving of cake in a microwave-safe mug or cup. These recipes typically involve combining all of the ingredients directly in the mug and microwaving for a short period of time, resulting in a quick and convenient dessert or snack.
The popularity of cake in a cup recipes lies in their ease of preparation, requiring minimal cleanup and offering a customizable dessert option. They are often used as a quick fix for a sweet craving or as a fun and engaging activity for individuals and families alike.