Step 1

Preheat oven to 375 degrees.  Grease 9×13 inch casserole dish (or equivalent sized dish)

Step 2

Layer half of the frozen pierogies in the casserole.  Spoon half of the alfredo sauce on top.  Sprinkle with half of the crispy chopped bacon, half of the chopped green onions, and half of the cheese. Layer the rest of the pierogies on top and spoon the rest of the alfredo sauce on top.  Sprinkle with the rest of the chopped bacon, green onions and remaining cheese.

Step 3

Cover with foil and bake for 15 minutes. Remove foil and continue baking for another 20-25 minutes or until the cheese is melted and casserole is bubbly and cooked through.