Easy Cream of Mushroom Soup

Ingredients

• 2 tablespoons butter
• ½ pound fresh mushrooms, sliced
• ¼ cup chopped onion
• 6 tablespoons all-purpose flour
• ½ teaspoon salt
• ⅛ teaspoon pepper
• 2 cans (14½ ounces each) chicken broth
• 1 cup half-and-half cream