Chicken Pineapple Stir Fry

1 lb. chicken breasts, sliced in strips
1 tbsp oil
1 package or can of frozen mixed or stir-fry veggies, thawed
1 can pineapple (or about 1 1/2 c. fresh pineapple)
2 c rice (white or wild), cooked to package directions
1/2 c peanuts or cashews
soy sauce to taste

Heat oil in a non-stick skillet. Add chicken, and cook until center is not pink. Add veggies, pineapple, and nuts. Cook until veggies are tender. Serve over rice, adding soy sauce, if desired.