Add 2 tablespoons of marinade to chicken, mix, and set aside
Mix the rest of the sauce ingredients in
1 tablespoon Chinese black or rice vinegar
1 tablespoon granulated sugar
1 tablespoon sambal oelek or chile-garlic paste
Chop vegetables, gather in one bowl
2 medium bell peppers, cut into 1-inch chunks
2 medium celery stalks, thin slice on a bias
Chop aromatics. Gather garlic, ginger, and white scallions in one bowl and green scallions in another
2 cloves garlic, minced
1 tablespoon minced fresh ginger
2 medium scallions, thinly sliced on a bias, whites and greens separated
Heat oil in wok until smoking, add vegetables and stir fry until softened, about 2 minutes
Add aromatics and stir fry until fragrant, about 30 seconds
Transfer all to a plate/bowl
Let the wok heat back up, add chicken in small batches not to crowd, letting the first side brown before tossing, ~3min and stir fry until cooked through
Add vegetables back in, stir to combine
Restir sauce, add to wok, stir to combine and turn off heat