4 cups cooked chicken breast
2 cans cream of chicken soup
1 1/2 cup sour cream
2 cups Ritz cracker crumbs
1 stick margarine, melted
1 cup grated medium sharp cheddar cheese
2 Tbsp. poppy seed
Melt margarine and add cracker crumbs. Set aside. Mix soup and sour cream together. Put 2 cups chicken in long baking dish. Pour 1/2 of soup and sour cream mixture on top of chicken. Pour 1/2 of the cracker crumbs and sprinkle all of the cheddar cheese, plus 1 tablespoon poppy seed. Repeat a layer of chicken, soup mixture, poppy seed, and crumbs on top. Bake 20 to 30 minutes at 350 degrees. Can be made ahead and refrigerated.