Chicken in Foil

2 (6 oz.) skinned chicken breast halves

1/4 C sliced onion

1/2 tomato, sliced

1 medium-size baking potato, sliced

1 small carrot, sliced

1 stalk celery, sliced

1/4 t pepper

1/8 t dried whole tarragon

1 t lemon juice

Cut two pieces heavy-duty aluminum foil; place a chicken breast in center of each. Top with onion and remaining ingredients. Wrap well; place on baking sheet. Bake at 350 degrees for 1 hour. Yield: 2 servings (221 calories per serving).