Thai Chicken Fried Rice

chicken breast, cut in 1/2 inch cubes

kosher salt and pepper

vegetable oil

cooked brown jasmine rice

large onion, chopped

garlic, minced

scallions, chopped

egg whites, beaten

whole egg, beaten

medium tomatoes, sliced into wedges

to 3 Thai chili peppers (optional)

soy sauce (or tamari for gluten free)

fish sauce