The aromas of sweet corn, earthy spices, and tingling chiles welcome customers to Austin’s Nixta Taqueria before they even have a chance to order food. It’s an invitation to enter its world that only increases when dishes are delivered to tables. A post-meal walk through Nixta’s backyard garden reinforces the olfactory pleasure. For those unable to visit, owners Edgar Rico and Sara Mardanbigi teamed up with Armonía, another Austin business, to bring the smells of the five-year-old New Tejano restaurant right to your home.The restaurateurs and married couple became fans of Armonía—a self-described “home-wellness” company that stocks candles, sprays, and massage oils—in 2022. “First [we bought products] just for our home,” says Mardanbigi. “I bought a candle and then we started adding that into Nixta.…