16ozBeef flank steakthinly sliced against the grain
1cupGreen bell peppersliced
1cupRed bell peppersliced
1cupYellow onionsliced
3tbspSoy saucedivided
2tbspOyster saucefor the sauce base
1tbspCornstarchfor thickening
2tbspVegetable oildivided
Instructions
Toss the sliced meat with 1 tablespoon of soy sauce and let it marinate for 15 minutes.
Heat 1 tablespoon of oil in a large skillet over high heat, sear the meat until browned, then remove from the pan.
Add the remaining oil to the skillet and cook the bell peppers and onions until crisp-tender.
Whisk the remaining soy sauce, oyster sauce, and cornstarch with a splash of water, pour into the skillet with the meat and vegetables, and simmer until the sauce thickens.