Beef and Broccoli

Name: Beef and Broccoli
Ingredients: 6 ounces flank steak, sliced thin on the bias, velveted (see below); 3 tablespoons vegetable oil, plus more for frying; 1 tablespoon minced garlic; 1/2 tablespoon minced ginger; 2 tablespoons diced white onion; 4 stalks Chinese broccoli (a close substitute is broccoli rabe), sliced, blanched and shocked; 1/2 cup oyster sauce; 1/4 cup soy sauce; 1/4 cup Shaoxing wine; 1/4 cup mushroom water (see below); 1/2 tablespoon MSG; 2 tablespoons slurry (see below); 1/4 cup fried shallots, slightly crushed; Sliced scallions, for garnish (optional)