Thai Chicken Fried Rice

Name: Thai Chicken Fried Rice
Cook time: 30 min
Total time: 30 min
Cuisine: Chinese, Japanese
Ingredients: 8 oz chicken breast (cut in 1/2 inch cubes); kosher salt and pepper; 4 tsp vegetable oil; 3 cups cooked brown jasmine rice; 1/2 large onion (chopped); 3 cloves garlic (minced); 2 scallions (chopped); 3 egg whites (beaten); 1 whole egg (beaten); 2 medium tomatoes (sliced into wedges); 2 to 3 Thai chili peppers (optional); 4 tsp soy sauce (or tamari for gluten free); 2 tsp fish sauce