Maker’s Mark has teamed up with Shake Shack on a special bourbon jam product to be used on two new menu items for the hamburger chain.

The sauce is described in a news release as marrying the iconic bourbon brand with with bacon that is smoked for six hours using hardwood applewood to create a sweet-meets-savory sauce with smoky flavors and a slight heat.

One of the new signature sandwiches using the jam is the Bourbon Bacon Cheddar Burger: White-cheddar cheeseburger topped with the Maker’s Mark bourbon bacon jam, crispy shallots and ShackSauce on a toasted potato bun. Pricing starts at $8.49.

Shake Shack also has released the Bourbon Bacon Cheddar Chicken Sandwich: Chicken breast topped with white-cheddar cheese and Maker’s bourbon bacon jam over pickles on a toasted potato bun Pricing starts at $8.09.

“A shared dedication to craft, flavor, and sustainability are just some of the reasons we are so thrilled that our bourbon will be used in the bourbon bacon jam, made by their in-house team with the very best (and carefully sourced) ingredients,” Josh Clark, Senior Brand Manager, Maker’s Mark, said. “We couldn’t think of a better way to amplify the taste profile our brand is known for.”