1 can cream of onion soup
2 cups water or chicken stock
1 1/2 cups shredded Cheddar cheese
1/2 cup Huntsman cheese, crumbled
3 cups cooked elbow macaroni
4 tablespoons buttered bread crumbs
2 tablespoons sweet yellow onion, chopped
1 tablespoon pimiento, finely chopped
1 tablespoon chives, finely chopped
1 teaspoon butter, melted