Chinese-Style Beef Fried Rice

Name: Chinese-Style Beef Fried Rice
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Cuisine: Chinese, Asian
Ingredients: 8 ounces flank steak (cut into thin strips); 1 1/2 teaspoons dark soy sauce; 1 1/2 teaspoons light soy sauce; 1/2 teaspoon sugar; 1/4 teaspoon Asian sesame oil; Pinch white pepper; 3/4 teaspoon cornstarch; 1 large egg; 1/4 teaspoon salt; 3 tablespoons peanut or vegetable oil (for stir-frying); 1 teaspoon garlic (minced); 1/2 onion (chopped); 4 cups cold leftover cooked rice; 1/2 cup frozen peas (thawed; or fresh peas); 1/4 cup carrot (shredded); 1 1/2 to 2 green onions (also known as scallions or spring onions, finely chopped)