Scallion Beef Stir-Fry (蔥爆牛肉)

Marinade:

* 8 oz sirloin beef, thinly sliced
* 1 Tbsp soy sauce
* 1 tsp sugar
* 1/2 tsp white pepper powder
* 1 Tbsp cornstarch, mixed with 1 Tbsp water
* 1 Tbsp oil

Stir-Fry:

* Marinated beef
* 2 cups scallions, sliced into strips
* 2 cups yellow onions, sliced into strips
* 1 cup red onions, sliced into strips
* 1 cup jalapeño pepper, sliced into strips
* 1 Tbsp minced garlic
* 2 Tbsp oil (divided)
* 1 tsp black pepper
* 1 tsp sesame oil
* 1 Tbsp soy sauce
* 1 tsp sugar

Instructions:

* Begin by slicing the sirloin beef into thin strips.

* In a mixing bowl, combine soy sauce, sugar, white pepper powder, cornstarch mixed with water, and 1 tablespoon of oil. Mix until the marinade is well blended.

* Add the sliced beef to the marinade and ensure that the meat is evenly coated. Allow it to marinate for several hours to enhance the flavor.

* Heat a pan over medium heat with 1 tablespoon of oil and minced garlic.

* Add the marinated beef to the pan and stir-fry until the beef slices are lightly browned, typically taking about 3-4 minutes. Remove the beef from the pan and set it aside.

* Increase the heat to high and add 1 teaspoon of oil to the pan. Then, add the sliced scallions, red and yellow onions, and jalapeño pepper. Stir-fry until the onions and peppers are slightly browned.

* Reintroduce the cooked beef to the pan and blend in soy sauce, sugar, and black pepper. Continue stirring and cook for an additional 30 seconds to meld the flavors.

* Finish by drizzling sesame oil over the stir-fry, giving it a final stir to incorporate. Your Scallion Beef Stir-Fry is now ready to be served. Enjoy your delicious meal!