有楽製菓 will launch a confectionery product featuring the flavor of a raisin butter sandwich as a new item in the Black Thunder Bite-Size series on 13 October 2026.
Black Thunder Bite-Size <Raisin Butter Sandwich> will be introduced as a new item in the series. The product name and launch date have been announced, and it is being marketed as a new bite-size product that can be enjoyed in a single piece.
The product combines raisins, rum flavor, browned butter and butter cookies. Its creamy richness brings the individual piece together, with the stated aim of recreating the flavor of a raisin butter sandwich. Chocolate flavor is also added, while the overall profile is designed to deliver a gentle sweetness.
The tasting profile begins with the bright flavor of rum-scented raisins, followed by the richness of butter and the toasted flavor of cookies. The product is described as having a sweetness that envelops the whole flavor and a lingering finish.