Jefferson’s Bourbon, the brand of small-batch bourbons, has introduced the newest expression to its portfolio: Jefferson’s Reserve Old Rum Cask Finish.

This expression, debuting nationwide in mid-October, features Jefferson’s Reserve bourbon that was aged and fully matured in Kentucky, prior to being finished in barrels that once held Gosling’s Family Reserve Old Rum.

The result of this experiment is a bourbon with a deep caramel color and maple and banana flavors, the company says in a press release, with a hint of spice from the rum that “helps balance out the overall flavor profile.”

Founder of Jefferson’s Bourbon, Trey Zoeller, started the aging process by procuring Kentucky straight bourbon that was originally aged for eight years in Kentucky. In December 2014, this bourbon went into old Gosling’s Rum barrels. The barrels themselves had held bourbon for four years, then held Gosling’s for 16 years, and then were sent back to Zoeller for this experiment, the company says. The bourbon aged for 15 additional months in these barrels before bottling.

“A couple of years ago, I was with Malcolm Gosling and tried his Old Gosling’s Family Reserve and thought it was fantastic,” says Zoeller. “Not being a rum drinker, I poured a little Jefferson’s Reserve and topped it off with the Gosling’s Old Rum and loved it. I immediately asked Malcolm if I could get a hold of his Old Family Reserve Rum cask.”

“Sometimes you act on a hunch and it turns out as you expected it to,” adds Zoeller.

Jefferson’s Reserve Old Rum Cask Finish will be available on shelves nationwide and will retail for $79.99 per 750-ml. bottle.