Smoked Kielbasa/Sausage Skillet

Here's another delicious one from my mom:

1 lb. fully cooked kielbasa (we like the kielbasa personally) or Polish sausage, sliced
3 cups shredded cabbage
1 celery rib, finely chopped
2 Tbs. vegetable oil
2 Tbs. Dijon mustard
1/2 tsp. garlic salt
1/4 tsp. rubbed sage (which I never use)
2 cups cooked noodles (less than 1/2 a bag)

In large skillet, saute kielbasa/sausage , cabbage and celery in oil for 5 minutes. Add mustard, garlic salt and sage. Cook and stir over medium heat for 4-6 minutes or until vegetables are tender. Stir in noodles and heat through.