Mongolian Beef Stir-Fry with Ramen

INGREDIENTS:

1 pound (450g) flank steak, thinly sliced against the grain
2 tablespoons soy sauce
1 tablespoon cornstarch
2 cloves garlic, minced
1 teaspoon fresh ginger, grated
2 tablespoons vegetable oil

For the Stir-Fry Sauce:

1/4 cup soy sauce
2 tablespoons hoisin sauce
2 tablespoons brown sugar
1 tablespoon rice vinegar
1 teaspoon sesame oil

For the Stir-Fry:

2 packages of ramen noodles, cooked according to package instructions
2 tablespoons vegetable oil
1 red bell pepper, thinly sliced
1 yellow bell pepper, thinly sliced
1 onion, thinly sliced
2 green onions, chopped (for garnish)
Sesame seeds (for garnish)

DIRECTIONS:

In a bowl, combine the thinly sliced flank steak with soy sauce, cornstarch, minced garlic, and grated ginger. Mix well to coat the beef evenly, then set aside to marinate for about 15-20 minutes.

While the beef is marinating, prepare the stir-fry sauce by combining soy sauce, hoisin sauce, brown sugar, rice vinegar, and sesame oil in a small bowl. Stir until the sugar is dissolved and set the sauce aside.

Heat 2 tablespoons of vegetable oil in a large skillet or wok over medium-high heat. Once hot, add the marinated beef slices in a single layer and cook for 2-3 minutes per side until browned and cooked through. Remove the beef from the skillet and set it aside on a plate.

In the same skillet, add another 2 tablespoons of vegetable oil. Add the sliced bell peppers and onion, and stir-fry for 3-4 minutes until they are tender-crisp …