In a small bowl, combine all sauce ingredients except for the cornstarch and water then set aside.
In a large bowl, combine chicken, green onions, bread crumbs, peanuts, egg white, garlic, and 2 Tablespoons prepared sauce then mix with hands until just combined and form into 4 patties. Cook in a nonstick-sprayed skillet over medium-high heat for 4-5 minutes a side, or until done.
Meanwhile, stir cornstarch and water together in a small bowl then whisk into remaining sauce. Transfer to a small saucepan then reduce over medium heat until thick and bubbly.
Place cooked burgers on toasted buns then top with reduced sauce and desired burger toppings.
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