Potato-Stuffed Kielbasa

Directions

1. 1
   Cut sausage into four pieces; cut each piece lengthwise to within 1/2 in. of opposite side. Open sausage pieces so they are flat; place in a greased 11-in. x 7-in. baking dish.
2. 2
   In a large bowl, combine the potatoes, onion and mustard; spoon in mounds over sausage.
3. 3
   Sprinkle with cheese.
4. 4
   Bake, uncovered, at 350° for 20-25 minutes or until heated through.