Boil perogies according to package directions *I place mine in boiling water, and cook for approx 6 minutes. Drain and set aside.

Melt 1 tbsp butter in a pan over medium heat, add onions, and cook until soft. Set onions aside.

Fry up both strips of bacon, until crispy. Set aside, and discard fat.

To assemble the sandwich, butter the outside of both pieces of bread. Layer ingredients on the un-buttered side of the bread. *I layered it as follows: cheese, perogies, salt and pepper, onions, bacon, more cheese.

In a pan on medium heat with a lid, cook grilled cheese until browned and cheese is melting.

Serve with Sour Cream for dipping.