Seared Blood Sausage with Caramelized Onions and Apples

Why You’ll Love This Recipe

• Classic Polish comfort: savory blood sausage meets sweet onions and tart apples for perfect balance.
• Weeknight-friendly: under an hour with simple, affordable ingredients.
• Flexible sides: choose nutty buckwheat groats or buttery hot potatoes.
• Foolproof technique for searing delicate sausages without bursting.

Grocery List

• Produce: 2 large onions, 2 tart apples, fresh parsley, 900 g small potatoes (if using)
• Dairy: Unsalted butter
• Pantry: Blood sausage (kaszanka), roasted buckwheat groats (if using), neutral oil, apple cider vinegar, brown sugar, dried marjoram, optional caraway seeds, whole-grain mustard, kosher salt, black pepper

Full Ingredients

Onions & Apples

• 2 large onions (about 500 g), halved and thinly sliced
• 2 tart apples (about 360 g; Granny Smith, Boskoop, or Bramley), cored and sliced into 1 cm wedges
• 3 tbsp unsalted butter (42 g), divided
• 2 tbsp neutral oil (30 ml), divided
• 1 tbsp apple cider vinegar, divided (1 tsp for deglazing onions, 2 tsp to finish)
• 1 1/2 tsp light brown sugar
• 1 tsp dried marjoram
• 1/2 tsp kosher salt, plus more to taste
• 1/2 tsp freshly ground black pepper
• Optional: 1/2 tsp caraway seeds
• 2 tbsp chopped fresh parsley (for garnish)
• Optional at table: 2 tsp whole-grain mustard

Blood Sausage

• 600 g blood sausage (about 4 short links; Polish kaszanka if available)
• 1 tbsp neutral oil (from above)
• 1 tbsp unsalted butter (from above)

Choose One Side

• Option A — Buckwheat Groats: 1 cup (180 g) roasted buckwheat groats, 2 cups (480 ml) water, 1/2 tsp kosher salt, 1 tbsp butter (optional)
• Option B — Hot Potatoes: 900 g small waxy potatoes (e.g., Yukon Gold or baby potatoes), water to cover, 1 tsp salt, 1 tbsp butter (optional)

Step-by-Step Instructions

Step 1: Prep the produce and sausage

Slice the onions thinly. Core and cut apples into 1 cm wedges so they hold their shape during sautéing. Pat the sausage dry. If the casings are tight, make 2–3 shallow diagonal slashes per link to reduce the risk of splitting (do not cut deep). Set a serving platter in a low oven (90°C / 195°F) to keep food warm later, if desired.

Step 2: Cook the side (buckwheat or potatoes)

For buckwheat: Bring 2 cups (480 ml) water and 1/2 tsp salt to a boil in a small saucepan. Stir in 1 cup (180 g) roasted buckwheat, cover, and reduce to a gentle simmer for 15 minutes. Remove from heat, keep covered, and rest 5 minutes. Fluff with a fork and stir in 1 tbsp butter if you like.

For potatoes: Cover 900 g small potatoes with cold water by 2–3 cm, add 1 tsp salt, bring to a boil, then simmer 18–22 minutes until easily pierced. Drain and keep warm. Toss with 1 tbsp butter if desired.

Step 3: Caramelize the onions

In a large skillet (28–30 cm), melt 1 tbsp butter with 1 tbsp oil over medium-low heat. Add onions and a small pinch of salt. Cook, stirring every few minutes, until deep golden and jammy, 18–22 minutes. If browning too quickly, lower heat; if the pan dries, add 1–2 tbsp water to deglaze. When richly caramelized, stir in 1 tsp cider vinegar to lift the fond.

Step 4: Sauté the apples

Push the onions to one side of the pan. Add 1 tbsp butter to the empty side, then the apple wedges. Cook over medium heat 5–6 minutes, turning once, until lightly browned at the edges but still holding their shape. Sprinkle over the brown sugar, marjoram, and optional caraway; season with a pinch of salt. Toss apples and onions together. Transfer both to a warm plate and tent loosely with foil.

Step 5: Sear the blood sausage

Add remaining 1 tbsp oil and 1 tbsp butter to the skillet and increase to medium heat. Lay in the sausage links and cook 3–4 minutes per side until browned and heated through. If casings threaten to burst, lower heat to medium-low and extend cooking a minute or two. Alternative crumbly style: slit casings, crumble sausage into the pan, and cook, stirring, 5–7 minutes until hot and lightly crisped.

Step 6: Combine and finish

Return onions and apples (and any juices) to the skillet with the sausage. Add the remaining cider vinegar (about 2 tsp) and grind in the black pepper. Toss gently over medium heat for 30–60 seconds to marry flavors. Taste and adjust salt or vinegar.

Step 7: Plate and garnish

Heap a bed of buckwheat groats or serve alongside hot potatoes. Top generously with the sausage, caramelized onions, and sautéed apples. Shower with chopped parsley. Offer whole-grain mustard on the side.

Pro Tips

• Heat control is key: medium-low for onions, medium for apples and sausage. Lower the heat the moment the sausage casing looks tight to prevent splitting.
• Keep apple wedges 1 cm thick so they brown without collapsing; tart varieties hold up best and balance the richness.
• Onions caramelize faster in a wide pan; a splash of water rescues any hot spots and helps dissolve browned bits.
• Prefer a rustic texture? Use the crumbly method: remove the casings and pan-fry the sausage like ground meat.
• Warm plates (90°C / 195°F oven) keep everything hot while you finish the pan sauce.

Variations

• Sauerkraut twist: Stir 1 cup well-drained sauerkraut into the onions for the last 5 minutes.
• Pear swap: Replace apples with firm pears for a slightly more floral sweetness.
• Spirited deglaze: Add 2 tbsp dry cider or calvados after sautéing apples; simmer 30 seconds to cook off alcohol.

Storage & Make-Ahead

Refrigerate leftovers in an airtight container for up to 3 days. Reheat gently in a covered skillet over medium heat with a splash of water, 4–6 minutes, or in a 180°C / 350°F oven, covered, for 10–12 minutes. Buckwheat reheats better than potatoes; if making ahead for guests, choose groats. Apples may soften on reheating but remain delicious. Not recommended for freezing.

Nutrition (per serving)

Approximate for 1/4 of recipe with buckwheat: 840 kcal; 31 g protein; 57 g carbohydrates; 53 g fat; 8 g fiber; 1,150 mg sodium (varies with added salt). Values are estimates.