Season both sides of the steak with the smoked paprika, onion powder, salt, and pepper to taste.
1- 1 ½ pounds flank steak, ½ teaspoon smoked paprika, ½ teaspoon onion powder, salt and pepper to taste
Heat a skillet on medium-high heat with sesame oil. When hot, add the beef.
1 teaspoon sesame oil
Cook for 3-6 minutes, flipping halfway through until the meat is no longer pink. Remove the beef from the pan and set it aside.
Add additional oil to the pan if necessary. Add the broccoli and garlic. Cook for 3-4 minutes until soft. Remove the vegetables and set aside.
4-6 cups broccoli florets, 3 garlic cloves Minced
Add the soy sauce, rice vinegar, and brown sugar or sweetener to the pan at medium heat. Stir until the sweetener has fully dissolved.
½ cup soy sauce or liquid aminos, 2 tablespoons rice vinegar, ¼ cup brown sugar or sweetener
Combine the cornstarch and cold water separately in a bowl. Make sure the mixture is smooth and fully incorporated. Then add it to the sauce ingredients and stir. Stir for a few minutes until the sauce thickens.
½ tablespoon cornstarch, ½ tablespoon cold water
Add the cooked beef, broccoli, and noodles to the pan. Stir and cook for 2-3 minutes until the sauce is incorporated.