Chinese Cabbage with Chicken

2 T. vegetable oil
1/2 chicken or pork
1 1/2 c. thinly sliced Chinese cabbage
1/2 c. finely chopped onion
1/2 c. finely diced celery
1 garlic clove, minced
1/4 tsp. ground ginger
2 T. soy sauce
1/2 tsp. salt
2 qt. chicken broth
1 c. finely sliced spinach
1/2 c. thinly sliced mushrooms (optional)

Heat oil in a large kettle and saute chicken about 5 minutes. Remove chicken broth. Saute onions, celery, cabbage and garlic about 2 minutes. Add seasonings and broth. Return chicken to soup and simmer 5 minutes. Add spinach and mushrooms and simmer 2 minutes more.