Cook the noodles according the package instructions. Drain and set them aside.
10 ounces egg noodles such as lo mein or ramen noodles
In a medium bowl, whisk together the soy sauce, brown sugar, water, oyster sauce, and cornstarch. Set aside.
⅓ cup soy sauce, ¼ cup brown sugar, ¼ cup water, 2 Tablespoons oyster sauce, 2 teaspoons cornstarch
Heat a large skillet over medium heat. Add ground beef and cook, stirring to crumble, until browned. (If you are using a lean ground beef, add 1-2 tablespoons of oil before adding the ground beef to prevent sticking.)
1 pound ground beef, 2 Tablespoons vegetable oil
Add minced garlic, minced ginger, and red pepper flakes into the skillet. Cook, stirring frequently,for 2 minutes. Add shredded carrots and cook for 3 more minutes.
4 garlic cloves, ½ Tablespoon minced ginger, ½ teaspoon red pepper flakes, 1 cup shredded carrots
Pour the sauce into the skillet and stir to combine. Cook for 2-3 minutes or until the sauce thickens.
Add cooked noodles and green onions. Toss to coat everything with the sauce. Adjust soy sauce if needed.
½ cup chopped green onion