Pierogi Pasta Shells

Directions

1. 1
   Cook pasta shells according to package directions.
2. 2
   Drain and rinse in cold water.
3. 3
   Place mashed potatoes in a large microwave-safe bowl.
4. 4
   Cover and microwave on high for 2-4 minutes, stirring once.
5. 5
   Add the minced onion, onion powder and garlic powder.
6. 6
   Stir in 1 cup of the cheese until blended.
7. 7
   Stuff into shells.
8. 8
   Place in ungreased 13-inch by 9-inch by 2-inch baking dish.
9. 9
   Sprinkle with green onions and remaining cheese.
10. 10
    Cover and bake at 350 degrees for 20 minutes.
11. 11
    Uncover; bake 10 minutes longer or until heated through.