- 3/4 pound skinless, boneless chicken breasts, cut into small cubes
 - 6 tablespoons soy sauce, divided
 - 1 tablespoon brown sugar
 - 2 teaspoons sesame oil, divided
 - 1 teaspoon cornstarch
 - 3 tablespoons vegetable oil
 - 5 scallions, chopped, light and dark green parts separated
 - 4 garlic cloves, minced
 - 1 (1 1/2 inch) piece fresh ginger, grated
 - 2 pounds cauliflower rice
 - 1 teaspoon kosher salt, divided
 - 1 1/2 cups frozen peas and carrots
 - 2 eggs, beaten
 - 1/2 cup finely diced fresh pineapple
 - 1/4 cup chopped peanuts (optional)
 - 1 tablespoon rice vinegar
 
- Stir chicken, 1 tablespoon soy sauce, brown sugar, 1 teaspoon sesame oil, and cornstarch together in a large bowl.
 - Heat a wok or large saucepan over high heat. Swirl in 1 tablespoon vegetable oil. Spread chicken mixture in a single layer over the surface of the wok; cook for 1 minute. Flip and toss chicken. Spread out again; cook and stir for 2 minutes more. Transfer chicken to a plate.
 - Heat remaining 2 tablespoons vegetable oil in the wok over medium heat. Add light green part of the scallions, garlic, and ginger; cook and stir until fragrant and softened, 1 to 2 minutes.
 - Stir 4 tablespoons soy sauce, cauliflower rice, and 1/2 teaspoon salt into the wok. Cook until cauliflower starts to crisp, about 3 minutes. Stir peas and carrots into the wok. Cook, stirring occasionally, until warmed through, about 5 minutes.
 - Make a well in the center of the wok; pour in beaten eggs. Stir eggs with a spatula until scrambled, about 2 minutes. Stir in chicken, remaining 1 tablespoon soy sauce, remaining 1 teaspoon sesame oil, dark green parts of the scallions, pineapple, peanuts, and rice vinegar.