Saute onion and celery in butter. Add to mashed carrots. Add rest of ingredients. Place mixture in buttered casserole and bake uncovered for 20-30 minutes at 350 degrees.
Ingredients: 8 (carrots .. crumbs .. milk .. salt ...)
Slice and cook squash and ... sour cream and carrots. Mix butter and stuffing ... in bottom of casserole dish. Add squash mixture, then ... degrees for 30 minutes.