Heat wok or large skillet over medium-high
Add 1 tablespoon of cooking oil, heat until shimmering
Add meat and cook through. Cook in batches if needed to avoid overcrowding the pan.
Transfer meat to a bowl
Add 1 tablespoon of cooking oil and lightly scramble eggs. Transfer to the same bowl with the cooked meat.
Add remaining cooking oil, heat until shimmering
Add the vegetables and cook until bright, approximately one minute
Return the meat and eggs to the skillet with vegetables and add the sauce
Combine cornstarch and water to make a slurry.
Stir until sauce thickens and glazes food, approximately one minute. Add starch slurry as needed to thicken the sauce.
Serve over short-grain rice