Marinate the beef. Place the sliced beef into a bowl and add the minced garlic, soy sauce, sugar, and black pepper. Mix and cover for 15-20 minutes to marinade.

Mix the sauce. In a mixing bowl, mix together the soy sauce, sesame oil, brown sugar, honey, and ground pepper. Mix until the sugar is dissolved.

Cook the noodles. Bring water to a large pot to a boil. Cook the noodles according to the package instructions. Then drain and rinse under cold running water. Roughly cut the noodles with kitchen shears to shorten the noodles.

Blanch the spinach. Fill a pot with water and bring it to a boil. Blanch the spinach until just wilted, about 30 seconds. Then drain and shock with cold water. Squeeze out any excess water, gently season with salt, and cut into bite-sized pieces. Transfer to a large mixing bowl.

Saute onions, garlic, and mushrooms. In a large skillet over medium heat, heat cooking oil and saute sliced onion, and green onion. Cook until translucent and fragrant about 1-2 minutes. Then add the sliced mushrooms and lightly season with salt. Cook for about lightly softened about 1-2 minutes. Remove and transfer to the same large mixing bowl.

Saute bell pepper and carrot. In the same skillet over medium heat, heat cooking oil, add the carrots and bell pepper, and lightly season with salt. Cook for about 1-2 minutes or until lightly softened but still crisp. Remove and transfer to the same large mixing bowl.

Cook the eggs. Lightly whisk the eggs with a pinch of salt. In the same skillet over medium heat, heat a thin layer of cooking oil and add the eggs. Lift the pan and spread the egg out into a thin omelet. Then flip and transfer to a cutting board, gently roll the egg, and cut into thin strips. Transfer to the same large mixing bowl.

Cook the beef. Lightly oil the skillet over medium-high heat, add the beef, and cook on each side until cooked through about 1 ½-2 minutes. Remove from the heat and transfer to the same large mixing bowl.

Season the noodles. In the same skillet over medium-low heat. Add the noodles and the sauce. Stir fry the noodles while stirring frequently until translucent and the sauce is all absorbed. About 3-4 minutes. Remove from the heat and transfer to a large mixing bowl.

Finish and serve. Add the sesame seeds, gently mix together everything into the noodles to combine, and serve immediately. Enjoy!