Birthday cake flavor is a popular and nostalgic taste that has made its way into various food products, from ice cream to protein bars. While there is no industry standard for birthday cake flavor, it is generally described as being vanilla-oriented, with added notes of sugar, butter, and rainbow sprinkles, making it a sweet and festive flavor. Some variations of birthday cake flavor may also include hints of almond or cherry, and the flavor is often achieved using a combination of artificial and natural flavors, including diacetyl, cooked sugar/maillard flavors, and custard/eggy notes