This leftover turkey wild rice soup has been my kitchen's favorite answer to post-holiday abundance. I discovered the combination the January after my first big holiday dinner when the fridge was full of carved turkey and a bag of wild rice sat neglected in the pantry. I wanted something hearty enough to satisfy, gentle enough for picky eaters, and flexible enough to work with whatever vegetables I had on hand. The result is a velvety, savory bowl where the nutty chew of wild rice meets tender turkey and earthy cremini mushrooms, all rounded out by a light cream finish when you want it richer. What makes this version special is the technique: a classic sauté of mirepoix in butter and olive oil for depth, a short blond roux to gently thicken without clouding flavor, and long-simmered wild rice that keeps a pleasant bite. I first served this to a friend recovering from a cold — the warm broth and soft vegetables made everything feel a little better. My family still asks for seconds, and it's become the go-to when I want something cozy that feels like it took longer to make than it did.

Ingredients

• Onion: 1 medium onion, chopped. Look for a firm, dry-skinned yellow onion for sweetness that caramelizes without turning bitter. It provides the aromatic backbone of the base.
• Carrots: 2 medium carrots, peeled and roughly chopped. Choose firm carrots — they add gentle sweetness and body; I often use organic when serving kids.
• Celery: 3 celery stalks, chopped. Celery brings that vegetal perfume to the mirepoix and balances richness; trim the ends and slice evenly for even cooking.
• Olive oil & butter: 1 tablespoon olive oil + 2 tablespoons butter. The oil raises butter's smoke point while butter adds flavor; use unsalted butter to control seasoning.
• Garlic & seasoning: 3 cloves garlic, minced and 1/4 teaspoon Italian seasoning (or more to taste). Fresh garlic gives brightness; dried Italian blend keeps things pantry-friendly.
• Flour: 3 heaping tablespoons all-purpose flour. This makes a light blond roux to thicken without grit; whisk well to avoid lumps.
• Chicken broth: 6 cups. Use low-sodium if possible so you can finish with salt to taste; a good-quality boxed broth or homemade stock both work well.
• Wild rice: 1 cup uncooked wild rice. Wild rice brings nutty flavor and distinctive chew — rinse briefly and pick out any grit before cooking.
• Turkey: 2 cups cooked turkey, shredded or chopped. Dark and white meat both work; dark will give extra richness, white keeps it lean.
• Mushrooms: 7 ounces cremini mushrooms, sliced. Cremini add earthiness and hold up to simmering better than delicate varieties.
• Seasoning: Salt and freshly ground black pepper to taste, plus optional 1/2 cup heavy whipping cream for a silkier finish.

Instructions

Prep the vegetables: Chop 1 medium onion, peel and roughly chop 2 medium carrots, and slice 3 celery stalks into even pieces. Rough chopping is fine — the vegetables will soften and contribute body and texture. Mince 3 cloves of garlic and slice 7 ounces of cremini mushrooms; have 2 cups of shredded turkey ready to go. Sauté the base: Heat a large soup pot over medium-high and add 1 tablespoon olive oil and 2 tablespoons butter. When the butter foams, add the chopped onion, carrots, and celery. Sauté for about 7 minutes, stirring occasionally, until the onion is translucent and the carrots begin to soften. The goal is flavor development, not browning to a crisp. Build the roux: Lower heat slightly and stir in the minced garlic and 1/4 teaspoon Italian seasoning. Sprinkle in 3 heaping tablespoons of flour and cook for 1–2 minutes while stirring constantly to form a blond roux. This removes the raw flour taste and helps the broth thicken without becoming pasty. Deglaze and add rice: Gradually whisk in 6 cups chicken broth until the flour is fully dissolved and the liquid is smooth. Stir in 1 cup uncooked wild rice. Turn heat up to high and bring the pot to a gentle boil; this is the point to skim any foam and ensure nothing is sticking to the bottom. Simmer the rice: Once boiling, cover the pot with the lid slightly ajar and reduce heat so the liquid is gently boiling. Cook for 15 minutes. Wild rice retains a bit of chew even fully cooked; the first simmer softens it and infuses the broth. Add turkey and mushrooms: Add the 2 cups shredded turkey and the sliced mushrooms. Bring the soup back to a gentle boil, then lower heat and simmer, partially covered, for another 15–20 minutes until the rice is tender and the mushrooms have released their flavor. Taste and adjust texture — add a splash of water or broth if too thick. Finish and season: If using, stir in 1/2 cup heavy whipping cream and warm through for 2–3 minutes without boiling. Season with salt and pepper to taste. Serve hot with crusty bread or a crisp salad for contrast.

Storage Tips

Cool the soup slightly before refrigerating: transfer to shallow airtight containers to speed cooling and store in the refrigerator for up to 3 days. For longer storage, portion into freezer-safe containers or heavy-duty resealable bags and freeze for up to 3 months. Label with date and contents. To reheat, thaw overnight in the fridge and warm gently over low heat, stirring occasionally; if the rice has absorbed too much liquid, add a splash of broth or water to loosen the texture. Avoid microwaving large containers for even heating — small portions microwave fine for quick lunches.

Ingredient Substitutions

If you need gluten-free, replace the all-purpose flour with a 1:1 gluten-free baking blend or use cornstarch slurry (1 tablespoon cornstarch mixed with 1 tablespoon cold water) added near the end; cornstarch gives shine but less body. For a dairy-free version, skip the butter and cream and use extra olive oil and full-flavor coconut cream or a splash of unsweetened almond milk (note: flavor profile changes slightly). Swap cremini for shiitake or button mushrooms, and replace chicken broth with turkey stock if you’ve made it — it will deepen the poultry notes.

Serving Suggestions

Serve the soup in deep bowls with crusty sourdough or buttered rolls to sop up the broth. A simple green salad with lemon vinaigrette provides bright contrast to the rich soup, and pickled vegetables make for a lovely acidic counterpoint. Garnish bowls with chopped fresh parsley or a drizzle of extra-virgin olive oil and a grind of black pepper. For a heartier meal, place a scoop of cooked baby spinach into each bowl so it wilts as you ladle the hot soup over it.

Cultural Background

This type of wild rice and poultry stew has roots in North American comfort cooking, where wild rice — historically harvested by Indigenous peoples across the Great Lakes region — provides a nutty, hearty grain perfect for long-simmering dishes. Over time, home cooks adapted brothy stews to include locally available birds like turkey or chicken. The approach here — mirepoix, roux, simmered grain, and shredded poultry — reflects a fusion of rustic American and classic stew techniques adapted for modern weeknight cooking.

Seasonal Adaptations

Autumn and winter: add diced butternut squash or parsnips at the initial sauté stage for sweetness and seasonal color. Spring: lighten the broth and finish with lemon zest and a handful of fresh peas or asparagus tips at the end. Holiday leftovers: toss in leftover roasted root vegetables for body. For summer, reduce simmer time slightly and finish with fresh herbs like tarragon and basil to brighten the bowl.

Meal Prep Tips

Make a double batch and freeze single portions for quick lunches. If you plan to freeze, slightly undercook the wild rice during the initial simmer (reduce first simmer to 10 minutes) so it won’t over-soften when reheated. Store turkey separately if you prefer texture control, adding it during reheating rather than freezing with the soup. Use insulated thermoses for packed lunches and reheat gently on the stovetop for best texture.

Whether you’re turning holiday leftovers into weeknight comfort or making a fresh pot from scratch, this wild rice and turkey soup is utilitarian and tender in equal measure. It’s the kind of bowl I make when I want nourishment and a little nostalgia, and I hope it becomes a go-to in your kitchen as well.