Oscar Mayer is leaning into the hot dog craze with an unusual new collaboration: a hot dog-topped Wiener Cake created with Milk Bar. The limited product is being introduced as a first-of-its-kind treat tied to a major brand milestone.

According to the announcement, the Wiener Cake will be sold at select locations from July 31 through August 2. The short release window is part of the celebration for the Wienermobile’s 90th birthday, giving fans a brief chance to try the novelty dessert.

The launch arrives during a year when hot dogs have been showing up across social media trends, recipe experiments, and fast-food mashups. That broader momentum helps explain why a playful, over-the-top Oscar Mayer dessert is already drawing attention.

For Oscar Mayer, the Milk Bar partnership connects one of the company’s best-known icons with a limited-edition food stunt designed to stand out. With the Wienermobile anniversary at the center of the campaign, the Wiener Cake looks positioned as both a birthday tribute and a buzzy summer food release.