Directions
1. Season skirt steak to taste with salt and pepper. Set aside.
2. In a medium bowl, add soy sauce, chile pepper, lime juice, and sugar.
3. Whisk until the sugar is dissolved.
4. Add the skirt steak to the bowl and toss it until it is well coated. Set aside.
5. Preheat a large skillet over medium heat.
6. Add oil and heat until the surface of the oil is shimmering. This will take about 1 minute.
7. Add beef to the pan and cook, stirring until it is cooked through. This will take between 3 to 5 minutes.
8. Remove the beef from the pan and place it in a bowl. Set aside.
9. Allow the liquid in the pan to reduce until it is thickened.
10. Add scallions and garlic to the pan and cook 1 minute longer.
11. Add mushrooms and cook another 3 minutes.
12. Add snow peas green beans, corn and bell pepper and cook until doe but crisp.