Chicken Spinach Lasagna Casserole

1 10 oz box frozen spinach thawed and drained (I used fresh and chopped it myself 2cups)
2 cups chicken (cooked and chopped)
2 cups cheddar cheese (grated)
1/3 cups sweet onion (chopped)
1 Tbsp corn starch
1/2 tsp. salt
1/4 tsp. pepper
1 Tbsp. soy sauce
1 can cream of mushroom soup
1 can sliced mushrooms (drained)
1 cup sour cream
1/3 cup mayo
6 noodles (I used "Barilla" lasagne noodles. No boiling required)
1 cup Parmesan cheese (grated)
1 cup pecans (chopped)

preheat oven 350 degrees
first 12 items put in lg. bowl and mix.
coat 9x123 pan with pam spray.
layer 3 lasagne noodles in bottom and spread 1/2 mixture on top.
layer next 3 noodles and last 1/2 of mixture.
sprinkle parmesan cheese and pecans.
bake for 1 hour and enjoy. Serves 12