Cook pasta according to package directions; drain in colander.
Place cooked chicken, drained pasta, onion, pepper, mixed veggies, marjoram, thyme, garlic powder, salt and pepper in a mixing bowl and combine.
Combine chicken soup and milk in another bowl.
Whisk together and stir into meat and veggie mixture.
Spray two 9x13” baking dishes with cooking spray.
Divide the chicken and vegetable mixture between the two pans.
Sprinkle bread crumbs over top of each dish.
Wrap one of the casseroles with freezer wrap or foil and freeze until ready to use.
Cover remaining casserole dish with foil and bake about 45 minutes to an hour at 350° or until bubbly.
Remove foil to brown crumbs for maybe 5-10 minutes, if necessary.
Remove from oven and serve.