Chicken with Mushroom Sauce Recipe

Ingredients

• 2 teaspoons cornstarch
• 1/2 cup fat-free milk
• 4 boneless skinless chicken breast halves (4 ounces each)
• 1 tablespoon olive oil
• 1 tablespoon butter
• 1/2 pound sliced fresh mushrooms
• 1/2 medium onion, thinly sliced
• 1/4 cup sherry or chicken broth
• 1/2 teaspoon salt
• 1/8 teaspoon pepper