Chicken Dijon in Pastry Shells - Pepperidge Farm

Ingredients

• 1 package (10 ounces) Pepperidge Farm® Puff Pastry Shells, prepared according to package directions
• 2 tablespoons butter
• 1 pound skinless, boneless chicken breast halves, cut into strips
• 1.5 cups broccoliflorets
• 1.5 cups sliced mushrooms(about 4 ounces)
• 1 can (10 1/2 ounces) Campbell’s® Condensed Cream of Chicken Soup or (10 1/2 ounces) Campbell’s® Condensed 98% Fat Free Cream of Chicken Soup
• 1/4 cup milk
• 2 tablespoons Dijon-style mustard