Ingreadient

• 2 tablespoons butter
• 1/2 pound sliced fresh mushrooms
• 1/4 cup chopped onion
• 6 tablespoons all-purpose flour
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 2 cans (14-1/2 ounces each) chicken broth
• 1 cup half-and-half cream
• chopped chives, optional