"Thanks to everyone who voted and who has supported me on this exciting journey.
"It's such an honour to be able to show the rest of the world how special our country is and to share my philosophy for cooking and eating in tune with the seasons."
The Taste Awards (aka the Tastys) are the premier awards in the US broadcasting industry, celebrating the best in food, fashion, travel and lifestyle programmes on television, film, online and on radio.
Previous winners include Jamie Oliver, Gordon Ramsay, Martha Stewart and Anthony Bourdain.
Langbein was a finalist in four categories.
The win tops off a successful week in the US for Langbein.
Last Thursday she appeared on the top-rating Today show, demonstrating quick and clever Super Bowl snacks alongside anchor Matt Lauer and co-hosts Kathie Lee Gifford and Hoda Kotb.