"Broccoli haters everywhere, rejoice ????..."
low-sodium soy sauce
rice wine vinegar
packed brown sugar
cornstarch
vegetable oil, divided
Kosher salt
Freshly ground black pepper
flank steak, thinly sliced against the grain
red bell pepper, thinly sliced
green bell pepper, thinly sliced
cloves garlic, minced
freshly minced ginger
Cooked white rice, for serving