Acorn Squash with cinnamon

1 tablespoon butter 1 large carrot , roughly chopped 1 stalk celery , roughly chopped 1/2 large onion , roughly chopped 1 large acorn squash , peeled, seeded[...]

8 ounces ditalini or 8 ounces pasta shells , uncooked 2 (1 1/2 lb) acorn squash , split,peeled,seeded and quartered 2 tablespoons butter 1 large onion ,[...]