Add bourbon, lemon juice, honey syrup, and saline solution to a cocktail shaker.
Fill shaker with ice and shake hard for 10–12 seconds.
Fine-strain into an ice-filled old-fashioned glass.
Hold a lemon zest twist skin-side down over the glass and express the oils across the surface, then discard the twist.
Garnish with a lemon wedge on the rim and serve.
The Gold Rush was created by T.J. Siegel at Milk & Honey, New York, around 2000–2001. Replacing simple syrup with honey syrup is the defining move - use a 3:1 honey-to-water ratio for a syrup that's fluid enough to shake but rich enough to round out the spirit.
My Bar Shelf reads your shelf and shows you every cocktail you can make from what you already own, including Gold Rush.