The “sheet-like condiment” is billed as an easy way to make a meal.

By Mike Pomranz
Updated February 21, 2020

Here’s a concept to file under “where have you been all my life?” Or at least under “where have you been since 2018?” That year, a Kickstarter called “Slice of Sauce” went viral for crowdsourcing money to release no-mess slices of ketchup. Now, two years later, a Japanese company is taking the next logical step: selling prepackaged slices of mayonnaise. Can sliced mustard be far behind?

Next month, Bourbon—a company which, despite its name, apparently is best known for making chocolate, not alcohol—will start selling a line of “sheet-like condiments” (oddly enough, that’s the only English phrase written on the packaging). These new mayonnaise sheets are part of an “Easy Cooking” series which “can be simply peeled off the film and placed on bread,” according to a translated press release.

Mayonnaise slices
Bourbon Co. Ltd.
Mentaiko mayonnaise slices
Bourbon Co., Ltd.

Unfortunately, my Japanese is terrible, but the local site SoraNews24 offered plenty of additional details: It turns out Bourbon has previously offered sliced chocolate in the past, and now, it's applying a similar approach to mayo. These new slices will come in multiple flavors including a “tuna mayonnaise sheet” and another which is a mix mayonnaise and mentaiko (spicy cod roe). Meanwhile, if mayo isn’t your thing (and for many people, it isn’t), Bourbon has also reportedly reformulated its chocolate slice and also will offer a new apple butter sheet with white chocolate. (FYI, I would not recommend putting all four varieties on one slice of bread.)

A serving suggestion.
Bourbon Co. Ltd.

The mayo slices—which come wrapped in packages of four—will apparently retail for 200 yen, or about $1.80. Honestly, I don’t know if that’s a good price for a slice of mayonnaise. In fact, since I don’t think mayo slices have existed previously, I’m not sure anyone knows what a good price for sliced mayo is. That said, Bourbon says the theme for these sheet-like condiments is “Mental and Physical Health Promotion.” So let’s be honest: Paying just 45 cents to improve those two things sounds like pretty good value.

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