There are only a few major brands that have this extract, including McCormick, Watkins, and OliveNation. Butter extract has a ton of uses in the kitchen, so you might want to consider buying in ...

Watkins shares ... you'll need unsalted butter (melted), light brown sugar, vanilla extract, whole eggs plus an extra egg yolk, all-purpose flour, cornstarch, baking powder, salt, and baking ...