Grain-free duck and sweet potato stew is a hearty one-pot meal of browned duck, tender root vegetables, and herbs in a savory tomato broth. Sweet potatoes add body and gentle sweetness, while a slow simmer gives the duck time to become tender; serve it in bowls on its own or with a crisp green salad.
Ingredients
- 1½ lb (680 g) boneless, skinless duck thighs, cut into 1-inch (2.5 cm) pieces
- 1 tbsp (15 ml) olive oil
- 1 medium yellow onion, about 1 cup (150 g) chopped
- 2 medium carrots, about 1 cup (150 g), peeled if desired and cut into ½-inch (1 cm) pieces
- 2 celery stalks, about ½ cup (80 g), cut into ½-inch (1 cm) pieces
- 3 garlic cloves, about 1 tbsp (9 g), finely chopped
- 1 tsp (2 g) smoked or sweet paprika
- ½ tsp (1 g) dried thyme
- ½ tsp (1 g) dried rosemary, crushed between your fingers
- 1 bay leaf
- 1 can (14½ oz / 411 g) diced tomatoes, including their juice
- 4 cups (950 ml) low-sodium chicken broth; check the label for grain-derived additives if strict grain-free ingredients are important
- 1 lb (450 g) orange-fleshed sweet potatoes, peeled and cut into ¾-inch (2 cm) cubes
- 1 tsp (5 ml) apple cider vinegar
- ¾ tsp (4 g) fine salt, plus more to taste
- ¼ tsp (0.5 g) freshly ground black pepper, plus more to taste
- 2 tbsp (8 g) chopped fresh parsley, for serving (optional)
Instructions
- Prepare the ingredients. Cut the duck into evenly sized pieces and pat it dry with paper towels so it browns instead of steaming. Chop the onion, carrots, celery, garlic, and sweet potatoes. Keep the raw duck and its board separate from the ready-to-eat parsley, and wash your hands and utensils after handling it.
- Brown the duck. Warm the olive oil in a heavy Dutch oven or large, lidded pot over medium-high heat. Add the duck in a single layer, working in two batches if needed, and brown for about 4 minutes per batch, turning once or twice. It does not need to cook through yet. Transfer the browned pieces to a plate; leave the flavorful drippings in the pot. If the pot looks dry, add a small splash of oil.
- Soften the aromatics. Reduce the heat to medium. Add the onion, carrots, and celery and cook for 4 minutes, stirring and scraping up browned bits. Stir in the garlic, paprika, thyme, and rosemary and cook for 30 seconds, just until fragrant. Avoid letting the garlic darken, which can make the broth taste bitter.
- Build the broth and simmer the duck. Pour in the diced tomatoes and broth, scraping the base of the pot to release any stuck-on browned pieces. Add the bay leaf, salt, pepper, and browned duck with any juices on the plate. Bring the liquid to a gentle boil, then lower the heat, cover, and simmer for 30 minutes. Keep it at a quiet simmer rather than a hard boil so the duck cooks evenly and the broth does not reduce too quickly.
- Add the sweet potatoes. Stir in the sweet potato cubes, cover the pot again, and simmer gently for 20 minutes. Check a larger cube with a fork: it should be tender but still hold its shape. If the pieces are not quite done, cook for another 3 to 5 minutes and check again. Stir once carefully so the vegetables cook evenly without breaking up.
- Check the duck and finish. Check the thickest duck pieces with a food thermometer. The USDA FSIS safe minimum internal temperature for duck is 165°F (74°C); if any pieces have not reached it, continue simmering and check again. Remove the bay leaf, stir in the vinegar, and taste the broth. Adjust the salt and pepper as needed. Let the stew stand off the heat for 5 minutes before serving so it settles and is easier to portion.
- Serve. Ladle the stew into warm bowls, making sure each serving gets duck, vegetables, and plenty of broth. Scatter parsley over the top if using.
Tips
- Brown in batches. Crowding the pot traps moisture and prevents good browning. If the duck pieces touch or the pot fills with liquid, take them out and brown the rest separately; the browned surfaces add flavor to the broth.
- Cut vegetables evenly. Sweet potato cubes around ¾ inch cook in roughly 20 minutes without disappearing into the stew. Smaller pieces can turn mushy, while much larger pieces may need extra simmering time.
- Keep the broth grain-free. Most plain broth is suitable, but some packaged broths or seasoning blends may include ingredients derived from grains. Read labels if you need to avoid grains strictly. Homemade broth is also an option, but use it in the same quantity.
- Adjust the consistency at the end. For a thicker stew, uncover the pot for the last few minutes and simmer gently, taking care not to overcook the sweet potatoes. For a looser bowl, stir in a little hot broth or water. Avoid adding flour or a grain-based thickener.
Serving Suggestions
This stew is filling enough to serve as a complete bowl, especially when each portion includes a generous share of duck and vegetables. A simple green salad with a sharp vinaigrette provides a fresh contrast to the rich broth. You could also serve it with steamed green beans, sautéed kale, or roasted Brussels sprouts for another vegetable side.
For a grain-free table, offer extra chopped parsley, a little black pepper, and apple cider vinegar at the table so everyone can brighten their own bowl. If grain-free eating is not a requirement for everyone at the table, crusty bread or cooked rice can be served separately for soaking up the broth. The stew itself does not need a starch alongside it.
Variations
Use chicken thighs. If duck is difficult to find, replace it with the same amount of boneless, skinless chicken thighs. The result is milder and less rich, but the cooking method remains similar; still check every piece with a thermometer and cook poultry to 165°F (74°C).
Add other root vegetables. Replace up to half the sweet potato with peeled parsnip or turnip cut into similar-sized cubes. Parsnip contributes a sweeter, aromatic note, while turnip tastes more earthy and peppery. Their cooking times can vary slightly, so test with a fork and simmer until tender.
Make it more savory or more herbal. For a deeper savory note, add 1 tbsp (15 ml) tomato paste with the garlic and cook it for about 1 minute before adding the liquids. For a fresher herbal finish, stir in 1 tbsp (3 g) chopped parsley or a little chopped thyme after cooking. Avoid adding a large amount of fresh herbs early, as long simmering can dull their flavor.
Bring in gentle heat. Add ¼ tsp (0.5 g) red pepper flakes with the dried herbs, or offer hot sauce at the table. The amount can be adjusted without changing the stew’s cooking time or texture.
Storage and Reheating
Cool leftovers promptly and refrigerate them within 2 hours of cooking in a shallow, covered container. Keep the stew refrigerated for 3 to 4 days. The sweet potatoes soften a little as they sit, but the broth often tastes more rounded the next day. For easier reheating, divide the stew into individual portions rather than storing one large, deep container.
Reheat a portion in a saucepan over medium-low heat, stirring occasionally, until steaming throughout and at least 165°F (74°C). Check the temperature with a food thermometer, especially in the center of a larger portion. Add a splash of broth or water if the stew has thickened in the refrigerator. In a microwave, cover loosely, heat in short intervals, and stir between intervals so the center warms evenly; confirm it reaches 165°F (74°C).
To freeze, cool the stew promptly, portion it into freezer-safe containers, and leave a little room for expansion. Freeze for up to 2 to 3 months for best quality. Thaw overnight in the refrigerator, then reheat to 165°F (74°C). The sweet potato may be softer after freezing and thawing, so stir gently when reheating. Do not leave cooked stew at room temperature for extended storage.
Frequently Asked Questions
Can I make this stew with bone-in duck?
Yes, but bone-in pieces take longer to cook and are harder to portion neatly. Simmer them in the broth until tender, checking the thickest part of the meat without touching bone to confirm it reaches 165°F (74°C). You can remove the bones before adding the sweet potatoes, or serve the pieces whole and take care around the bones.
Can I use duck breast instead of duck thighs?
Thighs are a better fit for this long, moist cooking method because they stay tender as they simmer. Duck breast is leaner and can become dry if simmered for the full time. If using breast, cut it into larger pieces and add it later in the cooking process, then use a thermometer to ensure it reaches the safe minimum of 165°F (74°C).
Why is my stew thin?
This recipe has a brothy consistency rather than a flour-thickened gravy. Simmer it uncovered for a few minutes to reduce the liquid, or mash a few cooked sweet potato cubes against the side of the pot and stir them in. Avoid vigorous stirring, which can break down all the vegetables and make the stew unevenly soft.
Can I prepare it ahead?
Yes. You can chop the vegetables a day ahead and refrigerate them in covered containers, keeping the sweet potatoes covered so they do not dry out. You can also cook the full stew ahead and refrigerate it within 2 hours. Reheat gently to 165°F (74°C), adding a little broth if needed; the vegetables may be softer after reheating.
How can I tell when the sweet potatoes are done?
Push a fork into one of the larger cubes. It should slide in easily, while the cube still holds together when lifted. If the center is firm, simmer for a few more minutes and check again. Start checking at 20 minutes because the size of the cubes and the strength of the simmer affect how quickly they cook.
Is the stew automatically grain-free?
The duck, vegetables, herbs, and plain tomato are naturally grain-free, and this recipe uses no flour or grains as a thickener. Packaged broth and spice blends can vary, so check their ingredient labels if you need to avoid all grain-derived ingredients. Choose products that suit your own dietary requirements.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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