Send your favorite chef (Cory Kobrinski) to cook at The James Beard House, by voting every day for our delicious burger at The James Beard House website. Blended burgers feature 25% mushroom and 75% protein for meaty, hearty burgers that are better for you and better for the planet. Astoria’s blended burger is two 3-ounce patties of lamb shoulder, beef short rib, brisket, shiitake mushrooms and leek confit. The burger is topped with shaved red onions, pecorino cheese, pickles and special sauce. It is served on a house-made sesame seed bun with a side of dressed greens.