Summer Salsa Inspired this Sweet-Spicy Watermelon Margarita

Summer snacks from the past provide some of the strongest taste memories, and for manager Alyssa Kowalyszyn of Café Rule & Wine Bar, Hickory, N.C., it was all about her mom’s fresh watermelon salsa. “It was unclear where she found the recipe, but it was always a delicious summer treat growing up,” she recalls.

When it came time to ramp up the margarita offerings at her restaurant, Kowalyszyn...