Cauliflower Fried Rice with Steak

Name: Cauliflower Fried Rice with Steak
Ingredients: 8 ounces flank steak, thinly sliced; 4 tablespoons reduced-sodium tamari, divided; 1 tablespoon Shaoxing rice wine or dry sherry; 4 tablespoons canola oil, divided; 2 large eggs, lightly beaten; 1 cup diced carrots; 4 scallions, sliced, greens and whites separated; 1 cup frozen peas; 2 cloves garlic, minced; 1 tablespoon minced peeled fresh ginger; 4 cups riced cauliflower (see Tip); 2 teaspoons sesame seeds; 1 teaspoon toasted sesame oil