Ingredients:

  • 12 oz (340 g) smoked kielbasa, sliced into 1/2-inch (1.2 cm) rounds
  • 1 tbsp (15 ml) olive oil (or neutral oil)
  • 1 tbsp (14 g) unsalted butter (optional, for richer flavor)
  • 1 large yellow onion (about 8 oz / 225 g), thinly sliced
  • 1 small head green cabbage (about 1 lb / 450 g), cored and thinly sliced (about 6–8 cups shredded)
  • 2 cloves garlic, minced
  • 1 tbsp (15 ml) apple cider vinegar
  • 1 tbsp (15 g) Dijon mustard
  • 1 tsp (2 g) smoked paprika (or regular paprika)
  • 1 tsp (5 g) granulated sugar or maple syrup (optional — helps caramelize and balances acidity)
  • Salt and freshly ground black pepper, to taste (start with 1/2 tsp salt)
  • 2 tbsp (8 g) chopped fresh parsley or chives, for garnish (optional)
  • Red pepper flakes, to taste (optional, for heat)

Instructions:

  1. Prep ingredients: slice kielbasa into 1/2-inch rounds, thinly slice onion and cabbage, mince garlic, and mix apple cider vinegar and Dijon mustard in a small bowl; set aside.
  2. Brown the kielbasa: heat a large heavy skillet over medium-high and add oil; arrange kielbasa in a single layer and cook undisturbed 2–3 minutes per side until golden and caramelized, then transfer to a plate and reserve drippings.
  3. Soften and caramelize onion: reduce heat to medium, add butter if using, then add sliced onion and sauté 4–6 minutes until translucent and beginning to brown.
  4. Add cabbage and garlic: add sliced cabbage to the skillet, toss to coat in fat, season with smoked paprika, salt, and pepper, and cook 6–8 minutes until wilted with some browned edges; add 1–2 tbsp water if pan looks dry to deglaze and prevent burning.
  5. Combine and finish: return kielbasa to the skillet, nestle slices into the cabbage, stir in minced garlic and the mustard–vinegar mixture and optional sugar, and cook 1–2 minutes until fragrant and heated through (target 165°F / 74°C when reheating fully cooked sausage).
  6. Rest and garnish: remove from heat and let sit 2 minutes, then sprinkle with chopped parsley or chives and optional red pepper flakes.
  7. Serve: spoon onto plates and serve with suggested sides such as rustic rye or sourdough, buttered egg noodles, mustard on the side, or pickled cucumbers.