Polish Open-Faced Kielbasa Sandwich

About This Recipe

Kielbasa, Poland's broad category of sausage encompassing dozens of regional varieties, is the backbone of this open-faced sandwich, grilled or pan-seared until the casing snaps and the inside stays juicy, then laid over dense rye bread with a smear of sharp mustard. Polish kielbasa is typically made from coarsely ground pork seasoned with garlic and marjoram, giving it a distinct flavor from other European sausages, and grilling rather than boiling develops a char that plays well against the tang of pickles piled on top. The sandwich leans on contrast: rich, garlicky sausage, sharp mustard, sour dill pickles and sweet caramelized onion, each element doing real work rather than sitting as garnish. Rye bread, dense enough to support the toppings without falling apart, is lightly toasted so it holds its structure against the juices from the sausage and onion. It's the kind of quick, satisfying lunch found at Polish delis and home kitchens alike, valued for turning a good kielbasa into a complete meal with minimal fuss.

Ingredients

Serves 2

• 2Polish kielbasa links(about 200g each)
• 1yellow onion(thinly sliced)
• 3 tbspbutter(divided)
• 4 slicesdark rye bread
• 3 tbspspicy brown mustard
• 2dill pickles(sliced)
• 2 tbspfresh parsley(chopped)

Instructions

1. 1

   Caramelize the onion

   Melt 2 tbsp butter in a pan over low heat. Cook onion slowly for 18-20 minutes until deep golden and sweet.

2. 2

   Grill the kielbasa

   Score the kielbasa lightly and pan-sear or grill over medium-high heat for 8-10 minutes, turning, until the casing is charred and snappy.

   Scoring the casing helps it render fat evenly and prevents it from splitting unevenly.

3. 3

   Toast the bread

   Butter the rye bread slices and toast in a dry pan until golden.

4. 4

   Assemble

   Spread mustard over the toasted rye, top with sliced kielbasa, caramelized onion and pickle slices.

5. 5

   Serve

   Scatter with parsley and serve open-faced immediately.

Variations

• •

  Add sauerkraut on top for extra tang and crunch.

• •

  Use a sharp horseradish mustard instead of brown mustard for more heat.

• •

  Swap rye bread for a crusty roll for a heartier, less traditional presentation.

Storage

Best assembled and eaten fresh. Store cooked kielbasa and caramelized onion separately in the fridge up to 3 days and reheat before assembling a fresh sandwich.

Frequently Asked Questions