Red pepper flakes, also known as crushed red pepper, are a spice made from dried and crushed red chili peppers. They are commonly used to add heat and a hint of smoky flavor to various dishes. The primary components are usually cayenne, but they can also include other varieties of red chili peppers. Red pepper flakes are versatile and can be adjusted to taste, making them a popular choice in many culinary applications.

In the context of alcohol and cocktails, red pepper flakes can be used to impart a spicy kick to beverages. They are often incorporated in spicy cocktails like Bloody Marys or spicy margaritas. The heat from the red pepper flakes can balance out sweetness or add an unexpected layer of complexity to a drink. Bartenders might infuse spirits with red pepper flakes or use them as a garnish to provide a visual and sensory appeal. This ingredient can elevate a cocktail by introducing a bold, spicy element that enhances the overall drinking experience.