Ingredients

  • 1 lb ground chuck
  • 3 tablespoons minced scallions, white and green parts
  • 1 tablespoon fresh grated ginger
  • 1 tablespoon minced garlic
  • 1 tablespoon soy sauce
  • 2 tablespoons teriyaki sauce
  • 1/2 teaspoon fresh ground black pepper
  • Mushroom Stuffing
  • 2 tablespoons vegetable oil
  • 1/2 cup chopped onion
  • 1 tablespoon garlic
  • 3/4 lb chopped mushroom
  • 4 tablespoons minced scallions
  • 3 tablespoons oyster sauce
  • 1 tablespoon rice vinegar

Method

  • For Mushroom Stuffing, Heat vegetable oil in a skillet.
  • Saute chopped onion with garlic in the skillet over medium-high heat for 1 minute.
  • Add chopped mushrooms, and cook until the mushrooms have released their juices and the juices have evaporated (about 7 minutes).
  • Add minced scallion, oyster sauce and rice vinegar and continue cooking for another 2 minutes.
  • Cool completely before stuffing and cooking the burgers.
  • For Hamburgers, combine ground chuck, scallion, ginger, garlic, soy sauce, teriyaki sauce and black pepper in a bowl.
  • Form meat into 8 thin patties, 3/8-inch thick.
  • Place an equal amount of mushroom filling on half of the patties, leaving a margin around the edge.
  • Cover the stuffing with the remaining patties.
  • Seal the edges by pressing them together with your fingers.
  • Refrigerate.
  • Preheat grill to medium-high and grill the patties uncovered for 2-1/2 to 3-1/2 minutes per side for charcoal grills (3-1/2-4-1/2 for gas grill), flipping once, until internal temperature reaches 160 F.
  • Serve on hamburger bun.