Maxwell St. Style Polish Sausage Sandwich

recipe image

Ingredients:

  • 1 tablespoon grease
  • 4 links Polish kielbasa sausage, patted dry with a paper towel (about 1 1/2 pounds)
  • 1 yellow onion, very finely sliced
  • Kosher salt and newly ground black pepper
  • 4 fresh poppy seed hotdog buns
  • Yellow mustard
  • 6 to 10 marinaded sport peppers