Creamy Chicken with butter

1 (12 ounce) box lasagna noodles 1 green pepper 1 tablespoon butter 1 small onion , chopped 1/2 cup milk 2 (10 ounce) cans condensed cream of chicken soup 1/2[...]

4 -5 cups cooked chicken, cut into bite size pieces (I used a small rotisseri chicken and really like the flavor it adds) 1 cup yellow onion , chopped 1/2 cup[...]