01 -
Mix 2 tablespoons of cornstarch with 3 tablespoons water in a large mixing bowl. Add your sliced beef and toss everything together until well coated.
02 -
In a smaller bowl, whisk the remaining tablespoon of cornstarch with soy sauce, brown sugar, minced garlic, and grated ginger. Set this aromatic sauce mixture aside for later.
03 -
Heat your large nonstick pan over medium heat and add 1 tablespoon of oil. Once the oil shimmers, add the coated beef and stir continuously until it's almost fully cooked. Use a slotted spoon to transfer the beef to a plate.
04 -
Add the remaining oil to the same pan. When it's hot, toss in the broccoli florets and sliced onions. Stir occasionally and cook for about 4 minutes until the broccoli becomes tender-crisp.
05 -
Return the cooked beef to the pan with the vegetables, then pour in your prepared sauce. Bring everything to a rolling boil and stir for 1 minute until the sauce thickens beautifully. Serve immediately over rice or noodles.