Easy Chicken with margarine

1 tablespoon olive oil 1/2 red onion , Thinly Sliced (About 1 Cup) 10 ounces white mushrooms , Sliced (About 3 Cups) 2 medium garlic cloves , Minced (about 1[...]

1 medium carrot , peeled and sliced 1 stalk celery , chopped 1 medium onion , finely chopped 1/2-3/4 teaspoon dried thyme 1 (10 ounce) can mushrooms , well[...]