40 perogies
1 onion, chopped
6 slices bacon, cooked
1 can mushroom soup
1 soup can milk
3 cups grated cheddar cheese
Layer 20 perogies, 1/2 chopped onion, and 3 crushed bacon slices. Repeat layers.
Mix mushroom soup and milk. Spread on top of layers.
Cover with 3 cups grated cheddar.
Cover with tinfoil and bake at 350 for 45 minutes. Remove foil and bake for an additional 15 minutes.