1 Peel and slice the onion. Add vinegar, sugar, salt and mix. Let it marinate for a while.
2 Cut the bread into 8 slices.
3 Purée the cream cheese and chipotle with an immersion blender. Grease the bread with the mixture.
4 Layer the pastrami, cheese slices and onion on four pieces of bread.
5 Grill until the breads are crispy and the cheese is melted.