Almost-Instant Pierogies

• potatoes↗3 lbs

  peeled, quartered, and boiled

• shredded sharp cheddar cheese↗2 cups
• salt↗1 teaspoon
• pepper↗1⁄2 teaspoon
• margarine↗1⁄2 cup
• sliced onions4 cups
• jumbo pasta shells, cooked↗1

  (12 ounce) package

Step-by-step instructions

1. 1

   Combine potatoes and cheese together; mash until smooth.

2. 2

   Stir in salt and pepper; set aside.

3. 3

   Melt the margarine in a skillet; add in onions; stir/sauté 10-15 minutes.

4. 4

   Spread half the onions in a 13x9-inch pan.

5. 5

   Stuff each pasta shell with potato mixture; arrange shells over onions.

6. 6

   Sprinkle remaining onions over shells.

7. 7

   Bake in a 350°F oven for 20-25 minutes.