In one bowl, stir together 2 tablespoons of cornstarch with 3 tablespoons of water. Add the cut beef to the bowl and make sure the meat is covered with the mixture.

In another bowl, combine 1 tablespoon of cornstarch, soy sauce, brown sugar, garlic, and ginger. Set aside.

* Blanch the broccoli: Bring water and salt to a rolling boil, and fill a large bowl with water and ice. when water is boiling, add broccoli to water and cook for two minutes. When broccoli is bright green remove it from the boiling water and immediately plate it in the ice bath to stop the cooking. Set aside

Heat a large state pan or wok over medium heat. Add one tablespoon of vegetable oil. Once it is to, add the beef and cook, string constantly until it is almost cooked through. Transfer to a plate and set aside.

Add the remaining 1 tablespoon of oil to the pan. Once it is hot,add the broccoli and sliced onions and cook, string until broccoli is tender. About 5 minutes.

*Return the beef to the pan and pour the prepared sauce over everything. Bring the mix to a boil and stir until the sauce thickens.

Serve hot over rice.