In a large bowl, gently mix chicken, ¼ cup barbecue sauce, mozzarella and onion mixture. This ground chicken burger recipe is juicy, moist, and flavorful! Combine 1/4 pound of ground beef , 1/2 teaspoon kosher salt and 1/2 teaspoon of ground black pepper. No more dry chicken, and you can have these burgers on the table in half an hour. Mix together and form a ball, which should be about the size of a golf ball. Bake until an instant-read thermometer inserted in center of a burger reads 160°F, 15 to 20 minutes. Form into 6 patties and place on baking sheet. Ground chicken (chicken mince) doesn't always conjure up mouthwatering images, but this chicken burger is moist!I don't like that word, but when you think of chicken burgers, "moist" doesn't always come to mind. Mix together and form a ball, which should be about the size of a golf ball.