Extract leans hard on its alcohol content (usually 35% or more). That alcohol burns off during baking, leaving pure vanilla flavour behind. Paste still has some alcohol, but it’s thickened with sugar and—this is key—vanilla bean powder or natural gums.
So if your recipe relies on that alcohol to create a specific chemical reaction (like in meringues or certain frostings), swapping in paste might make it slightly denser. But let’s be real: you’re not launching a rocket, you’re making cookies. It’ll be fine.
When You Should Definitely Use Paste (And Brag About It)
Use paste in anything where you want visible vanilla specks to show off. Cheesecakes? Yes. Custards? Absolutely. Vanilla frosting? You’ll look like a professional even if you’re still licking the spoon.
Also, paste is a godsend for cold dishes like ice cream or pudding because it blends in without that alcohol “heat” that extract sometimes leaves behind. It’s like the vanilla equivalent of wearing a cashmere sweater instead of a scratchy wool one.
