Whole grains and veggies are the focus in this mostly-meatless patty, but not to worry—ground beef still plays a familiar and satisfying role. To ensure they had a flavor that would be as beefy as ever, we turned the volume up by adding a little soy sauce to the mixture and topped it all off with a shmear of creamy Dijonnaise.
Learn How to Cook Barley and store it away for later by using our guide. Dijonnaise is a store-bought condiment that blends creamy mayonnaise with sharp Dijon mustard. You can make your own at home by mixing 2 parts mayonnaise with 1 part Dijon.