Customize Your Vermouth With Fresh Herbs, Fruit, and Other Botanicals

Alex Negranza, bar manager of The Lounge at MARCH in Houston, was tired of never finding the right vermouth, so he made his own. “Every gin and every vermouth is so nuanced,” he says. “I wanted to create something that could be used in all of our specialty Martinis and dry-vermouth cocktails. Something that was subtle, but unique and delicious.”

He turned to freshly picked local herbs including rosemary, lavender, thyme and...