Sausage and Sage Dressing

1 lb. Sage flavored pork sausage
1 cup chopped onion
1 cup chopped celery
1 bag stuffing cubes (like Pepperidge Farm or Brownberrry)
2 T chopped fresh sage
2 cups chicken broth
1 beaten egg

Crumble and cook sausage till brown, adding in the onion and celery about halfway through. In large bowl combine slightly cooled sausage mixture, stuffing, and sage. Combine egg and broth and fold in with stuffing mixture. Bake in greased casserole for 45 minutes covered, then 15 minutes uncovered at 350.