Chicken Marengo

Ingredients

• 4 to 6 skinless chicken breasts
• 1/2 c. chopped onion
• 1 clove garlic, minced
• 1/4 tsp. marjoram
• 1 tsp. salt
• 1/8 tsp. pepper
• 1/2 c. dry white wine or chicken broth
• 1/2 to 1 lb. fresh mushrooms
• 1 (1 lb.) can tomatoes, crushed and undrained
• 1 small jar olives (green or black)