Vanilla extract exists in three categories: imitation (vanillin synthesized from wood pulp), pure vanilla (vanillin extracted from beans), and vanilla creme or essence (concentrated vanilla bean solids). Most home bakers can't distinguish imitation from pure in blind tastings when both appear in baked goods where vanilla plays a supporting role. But the differences compound in applications where vanilla dominates: custards, ice cream, beverages. The Geographic Flavor Shift Madagascar and Tahitian vanilla beans taste noticeably different despite containing similar vanillin levels. Madagascar vanilla (73% of global supply) tastes floral and classic—what most people recognize as "vanilla." Tahitian vanilla tastes fruity and slightly anise-forward. Mexican vanilla is earthier, deeper. These flavor distinctions matter in high-vanilla applications, not in chocolate cake where cocoa overwhelms delicate nuances. A $30 bottle of Madagascar pure vanilla extract noticeably improves crème brûlée. The same bottle makes negligible difference in brownies. "I use pure vanilla in custards and imitation in applications where vanilla supports other flavors," says Marcus Johnson, pastry chef at Brooklyn's Dominique Bakery. "Cost-effectiveness is about matching the ingredient to the dish. Imitation vanilla is chemically identical in those dishes." The practical solution: buy pure vanilla for applications where it shines, imitation for baking, and remember that vanilla's price reflects scarcity and labor, not measurable flavor superiority in every context.