In lg bowl, mix cream cheese until fluffy. Beat in the sour cream, parsley, salt and pepper. Stir in chicken.
In small skillet sprayed with cooking spray, cook onions & mushrooms in butter until tender, add to chicken mix. Stuff into manicotti shells.
For sauce: In lg saucepan, melt butter, stir in flour & salt until smooth. Gradually whisk in milk. Bring to a boil,cook and stir until thickened. Stir in 2-1/2 cups cheddar cheese and parmesan cheese just until melted. Spread 1/2 cup cheese sauce in each of two 11-in x 7-in x 2-in baking dishes that have been sprayed with cooking spray. Top with stuffed shells and remaining sauce.
Cover & bake at 350°F for 25 min. Uncover, sprinkle with remaining cheese. Bake 10-15 min more or until bubbly & cheese is melted.
Calories From Fat
% Daily Value*
Total Fat 0g
Saturated Fat 0g
Trans Fat 0g
Dietary Fibers 0g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.