Polish Duck Blood and Fruit Soup
Polish duck blood soup turns humble duck, fruit, and pantry spices into a glossy, sweet-tart bowl with deep old-world flavor.
This traditional soup, often known as czernina, balances savory duck broth with dried prunes, pears, apples, raisins, vinegar, and a small touch of sugar. It tastes rich, tangy, fruity, and warming all at once.
Why You’ll Love This Recipe
- Deep duck broth gets a bright lift from prunes, pears, apples, and raisins.
- The texture is silky and lightly thick, with tender duck in every serving.
- Most of the cooking time is hands off, so the pot does the work.
- It uses real, traditional ingredients and turns affordable duck cuts into a special meal.
Fabian’s Budget Tip: Ask your butcher for duck legs, backs, or necks instead of a whole duck. They cost less, give the broth rich body, and still leave enough meat for four bowls.
Ingredients (Serves 4)
- 2 pounds bone in duck pieces (900 g)
- 8 cups cold water (1.9 L)
- 1 cup fresh duck blood (240 ml), kept cold
- 3 tablespoons vinegar (45 ml), plus more to taste
- 2 tablespoons all purpose flour (16 g)
- 3/4 cup dried prunes (100 g)
- 1/2 cup dried pears (70 g), chopped if large
- 2 medium apples (300 g), peeled, cored, and sliced
- 1/3 cup raisins (50 g)
- 1 medium yellow onion (150 g), peeled and halved
- 2 medium carrots (150 g), peeled and sliced
- 1 cup diced celery root (150 g)
- 1 tablespoon sugar (12 g), plus more to taste
- 1 teaspoon dried marjoram (1 g)
- 4 allspice berries
- 1 1/2 teaspoons salt (9 g), plus more to taste
- 1/2 teaspoon black pepper (1 g), plus more to taste
Step-by-Step Instructions
1. Start the Duck Broth
Place the duck, water, onion, carrots, celery root, allspice, marjoram, salt, and pepper in a heavy pot. Bring it to a gentle simmer over medium heat. Skim the gray foam from the top so the broth tastes clean.
2. Cook Until Tender
Lower the heat and let the soup bubble softly for 1 hour and 15 minutes, or until the duck pulls away from the bone with little effort. Your kitchen should smell like roasted poultry, sweet roots, and warm spice.
3. Add the Fruit
Stir in the prunes, dried pears, apples, and raisins. Simmer for 20 minutes, until the fruit looks plump and the broth tastes lightly sweet.
4. Prepare the Blood Mixture
Use only fresh duck blood from a trusted butcher, and keep it chilled until this step. In a bowl, whisk the cold duck blood with vinegar and flour until smooth. The vinegar helps keep the blood from clotting, while the flour gives the soup a gentle body.
5. Temper the Soup
Ladle 1 cup (240 ml) hot broth into the blood mixture while whisking slowly. Add another small ladle if the bowl still feels cool. The mixture should feel warm, not boiling.
6. Finish Gently
Reduce the pot to low heat. Stir the warm blood mixture into the soup in a thin stream. Keep stirring for 3 to 5 minutes, until the broth turns glossy, deep brown, and lightly thick. Do not let it boil hard, because high heat can make the texture grainy.
7. Balance and Serve
Taste the soup. Add sugar a little at a time until the sweet fruit, tangy vinegar, and savory duck taste balanced. Add salt, pepper, or a splash of vinegar if needed. Serve hot, with tender duck pieces and fruit in each bowl.
Expert Troubleshooting and FAQs
Can I make Polish duck blood soup without fresh duck blood?
You can make a duck and fruit soup without it, but it will not have the same traditional flavor, color, or silky texture. For body, whisk 2 tablespoons flour (16 g) with a little broth and stir it in gently.
Why did my soup turn grainy?
The soup likely got too hot after the blood mixture went in. Keep the heat low and stir slowly. The soup should steam and thicken, but it should not roll or boil hard.
How sour should the soup taste?
It should taste tangy, not sharp. The vinegar should brighten the duck and fruit. If it tastes too sour, add sugar in small pinches until the flavor rounds out.
Can I use different dried fruit?
Yes. Dried cherries, apricots, or figs can work, but prunes and pears give the most classic flavor. Keep the total dried fruit close to the amount listed so the soup does not get too sweet.
How do I store and reheat it?
Cool the soup quickly and refrigerate it within 2 hours. Store it for up to 3 days. Reheat it gently over low heat while stirring, and avoid boiling it after reheating.
Estimated Nutritional Facts
These values are rough estimates per serving and depend on the duck pieces used.
- Calories: about 480
- Protein: about 34 g
- Carbs: about 42 g
- Fats: about 21 g
Polish Duck Blood and Fruit Soup
Ingredients
- 2 pounds bone in duck pieces (900 g)
- 8 cups cold water (1.9 L)
- 1 cup fresh duck blood (240 ml), kept cold
- 3 tablespoons vinegar (45 ml), plus more to taste
- 2 tablespoons all purpose flour (16 g)
- 3/4 cup dried prunes (100 g)
- 1/2 cup dried pears (70 g), chopped if large
- 2 medium apples (300 g), peeled, cored, and sliced
- 1/3 cup raisins (50 g)
- 1 medium yellow onion (150 g), peeled and halved
- 2 medium carrots (150 g), peeled and sliced
- 1 cup diced celery root (150 g)
- 1 tablespoon sugar (12 g), plus more to taste
- 1 teaspoon dried marjoram (1 g)
- 4 allspice berries
- 1 1/2 teaspoons salt (9 g), plus more to taste
- 1/2 teaspoon black pepper (1 g), plus more to taste
Instructions
- 1. Start the Duck Broth. Place the duck, water, onion, carrots, celery root, allspice, marjoram, salt, and pepper in a heavy pot. Bring it to a gentle simmer over medium heat. Skim the gray foam from the top so the broth tastes clean.
- 2. Cook Until Tender. Lower the heat and let the soup bubble softly for 1 hour and 15 minutes, or until the duck pulls away from the bone with little effort. Your kitchen should smell like roasted poultry, sweet roots, and warm spice.
- 3. Add the Fruit. Stir in the prunes, dried pears, apples, and raisins. Simmer for 20 minutes, until the fruit looks plump and the broth tastes lightly sweet.
- 4. Prepare the Blood Mixture. Use only fresh duck blood from a trusted butcher, and keep it chilled until this step. In a bowl, whisk the cold duck blood with vinegar and flour until smooth. The vinegar helps keep the blood from clotting, while the flour gives the soup a gentle body.
- 5. Temper the Soup. Ladle 1 cup (240 ml) hot broth into the blood mixture while whisking slowly. Add another small ladle if the bowl still feels cool. The mixture should feel warm, not boiling.
- 6. Finish Gently. Reduce the pot to low heat. Stir the warm blood mixture into the soup in a thin stream. Keep stirring for 3 to 5 minutes, until the broth turns glossy, deep brown, and lightly thick. Do not let it boil hard, because high heat can make the texture grainy.
- 7. Balance and Serve. Taste the soup. Add sugar a little at a time until the sweet fruit, tangy vinegar, and savory duck taste balanced. Add salt, pepper, or a splash of vinegar if needed. Serve hot, with tender duck pieces and fruit in each bowl.
