Mongolian beef

Directions

1. 1
   In a medium bowl, whisk together soy sauce, brown sugar, garlic, ginger, 2 teaspoons vegetable oil and 1/2 cup water.
2. 2
   Heat soy sauce mixture in a medium saucepan until slightly thickened, about 5-10 minutes; set aside.
3. 3
   In a large bowl, combine flank steak and cornstarch.
4. 4
   Heat 1/2 cup vegetable oil in a large saucepan.
5. 5
   Add beef and fry until browned and cooked through, about 1-2 minutes.
6. 6
   Transfer to a paper towel-lined plate; discard excess oil.
7. 7
   Add beef and soy sauce mixture to the saucepan over medium heat and cook until sauce thickens, about 2-3 minutes.
8. 8
   Stir in green onions.
9. 9
   Serve immediately.