- Blend the sauce ingredients in a bowl and set aside.
- Bring a cast-iron skillet to high heat, and add two tablespoons of oil. Pour in the sliced bell peppers and onions, and stir-fry for five minutes. Pour into a plate and set aside.
- Spread beef strips evenly on a skillet and cook for one minute, so the sides downwards sear. Stir the beef strips and allow them to cook for another three minutes. Lower the heat to medium.
- Add the onions, peppers, and sauce to the beef strips. Stir well, and let it cook for two to three minutes- the sauce should be thickened by then. Set the pan down, and serve as you please.
Also, take a look at this video recipe for more ideas.