Add the minced garlic and ginger, and cook for another 30 seconds until fragrant.
Combine and Thicken:

Return the cooked steak to the skillet with the vegetables.
Pour in the prepared stir-fry sauce and stir to combine. Bring to a simmer.
Stir in the cornstarch slurry and cook for another 1-2 minutes, or until the sauce has thickened and coats the steak and vegetables.
Serve:

Serve the sizzling Chinese pepper steak with onions over cooked white rice or steamed rice.
Prep Time: 20 minutes | Cook Time: 15 minutes | Total Time: 35 minutes | Servings: 4