Pan-Seared Biała Kiełbasa with Onions
Traditional Polish white sausage seared until golden, served with caramelized onions and mustard. Ready in 25 minutes with minimal cleanup.
- Total time
- 25 min
- Servings
- 4
- Calories
- 380
- Protein
- 22g

Ingredients
- 1.5 pounds biała kiełbasa (fresh Polish white sausage)
- 2 medium yellow onions
- 2 tablespoons olive oil
- ½ cup water
- ½ teaspoon salt
- ¼ teaspoon black pepper
Instructions
- 1
Place each kiełbasa on a cutting board and score the skin by making 3 or 4 shallow diagonal cuts (about 1/8 inch deep) across the top, like slicing breadlines — this prevents the casing from bursting while cooking.
- 2
Cut each onion lengthwise from root tip to tip, then place the flat side down on the cutting board and slice crosswise into half-moons about 1/4 inch thick.
- 3
Pour 2 tablespoons of olive oil into a large skillet and set the heat to medium-high until the oil shimmers and slides quickly when you tilt the pan, about 90 seconds.
- 4
Place all the kiełbasa in the hot skillet in a single layer and do not move them for 3 minutes until the bottom is golden brown and the surface feels firm when pressed with a wooden spoon.
- 5
Roll each kiełbasa over using tongs so the other side faces down, then cook for another 3 minutes until that side is also golden brown with a slight char.
- 6
Slide the cooked kiełbasa onto a plate, then add the sliced onions to the same skillet with the remaining oil and drippings.
- 7
Stir the onions once every 30 seconds for 6 minutes, stirring gently so they don't break apart, until the onions turn soft and deep golden brown at the edges.
- 8
Pour 1/2 cup of water into the skillet with the onions and use a wooden spoon to scrape up all the stuck-on brown bits from the bottom — this adds flavor.
- 9
Bring the mixture to a simmer over medium heat, then place the kiełbasa back into the pan on top of the onions and cook for 4 minutes until heated through.
- 10
Sprinkle 1/2 teaspoon salt and 1/4 teaspoon black pepper evenly over the kiełbasa and onions, then taste and adjust seasoning if needed.
- 11
Transfer the kiełbasa to a serving platter and arrange the caramelized onions around it, then pour any remaining liquid from the skillet over the top.
Tools you’ll need
- 12-inch skillet
- cutting board
- chef's knife
- wooden spoon
- tongs
- plate
- serving platter
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