Misbrew

For this reason, green tea is frequently misbrewed, misunderstood, and thus not the tea of choice that it might otherwise be.

Source: wiktionary

That winter led, naturally, to the Olde GnarlyWine release, which the following year was accidentally-on-purpose misbrewed into Brown Shugga' when a flock of one-pound C&H brown sugar boxes found their way into the kettle following my incorect specification of the malt bill.

Source: wiktionary

“Finally misbrew a potion?” Nan chuckled.

Source: wiktionary