Buttery Castelvetrano olives are soaked in gin, vermouth, and lemon peel strips so they take on a botanical, Martini-like flavor, then the boozy brine is processed with a creamy blue cheese base.

This concoction doubles as a liquid dessert, delivering a jolt of caffeinated flavor in a fancy glass. And just like a classic martini would be nothing without its olive, a true espresso martini ...

We tried upscale martinis in Los Angeles, San Francisco, and New York City. One reporter said a $50 ocean-flavored martini served with foraged ingredients is worth the price. Cue: fancy drinks ...