Cauliflower Chicken Fried Rice
1 (1 1/2 inch) piece fresh ginger, grated 1 tablespoon brown sugar 1 tablespoon rice vinegar 1 teaspoon cornstarch 1 teaspoon kosher salt, divided 1 ½ cups frozen peas and carrots 2 eggs, beaten 2 pounds cauliflower rice 2 teaspoons sesame oil, divided 3 tablespoons vegetable oil 4 garlic cloves, minced 5 scallions, chopped, light and dark green pa… 6 tablespoons soy sauce, divided ¼ cup chopped peanuts ½ cup finely diced fresh pineapple ¾ pound skinless, boneless chicken breasts, c…