Leftover Turkey in Creamy Mushroom Sauce

Leftover Turkey in Creamy Mushroom Sauce tastes rich, savory, and cozy, like Thanksgiving met your favorite mushroom pasta and decided to stay for dinner. It works perfectly for busy home cooks who want a 30-minute comfort meal that uses up leftover turkey without feeling like a repeat of the holiday plate. I tested versions of this on a Tuesday night in sweatpants, so you know it passed the real-life tired-cook test.

Why Make This Leftover Turkey in Creamy Mushroom Sauce at Home

This recipe turns leftover turkey into something that feels like a brand-new meal instead of a reheated rerun. The creamy mushroom sauce hugs every piece of turkey and tastes restaurant-level without any fancy skills.

You control the salt, the richness, and the add-ins, so it fits your taste and pantry. You also use one skillet, which keeps cleanup easy and weeknight-friendly.

“This Leftover Turkey in Creamy Mushroom Sauce tasted like a cozy bistro meal and completely disguised our holiday leftovers. ★★★★★”

Ingredients You Need

• Leftover cooked turkey
  • 2 to 3 cups, shredded or cut in bite-size chunks
  • Use white, dark, or a mix. Rotisserie chicken also works if you ran out of turkey.
• Mushrooms
  • 8 to 12 ounces, sliced
  • Cremini or baby bella bring deeper flavor. White button mushrooms work fine if that is what you have.
• Butter or olive oil
  • 2 to 3 tablespoons
  • Use butter for richer flavor. Use olive oil for a lighter taste or if you avoid dairy.
• Onion or shallot
  • 1 small onion, finely chopped, or 2 shallots
  • Yellow onion gives sweetness. Shallots taste a bit more delicate.
• Garlic
  • 3 to 4 cloves, minced
  • Use jarred minced garlic as a shortcut, about 1 to 1½ teaspoons.
• Flour
  • 2 tablespoons all-purpose flour
  • This thickens the sauce. Use a 1:1 gluten free blend if you need it.
• Broth
  • 1½ cups turkey or chicken broth
  • Use low sodium so you control the seasoning. Bouillon paste like Better Than Bouillon works well.
• Creamy element
  • ½ to ¾ cup heavy cream, half and half, or whole milk
  • Heavy cream gives the richest sauce. Half and half still tastes creamy but lighter.
• Grated Parmesan cheese
  • ¼ to ½ cup, finely grated
  • Use real Parmesan or Grana Padano. Pre-grated works, but it may not melt as smoothly.

Flavor boosters

• Dijon mustard
  • 1 to 2 teaspoons
  • It does not taste like mustard in the final dish. It just adds depth.
• Fresh or dried thyme
  • 1 teaspoon fresh leaves or ½ teaspoon dried
  • Sage or rosemary also fit the turkey and mushroom flavor.
• Salt and black pepper
  • Season to taste
  • Taste near the end, since broth and Parmesan already contain salt.
• Lemon juice
  • 1 to 2 teaspoons, optional
  • A small squeeze at the end brightens the rich sauce.

Optional add-ins

• Frozen peas
  • ½ to 1 cup, added near the end
  • No need to thaw. They add color and a little sweetness.
• Baby spinach
  • 1 to 2 cups, stirred in at the end
  • It wilts quickly and sneaks in some greens.
• Cooked pasta, rice, or egg noodles
  • Serve the turkey and sauce over these for a full meal.
  • Leftover mashed potatoes also make a great base.

Pantry shortcuts and brand notes

• Use pre-sliced mushrooms to save time.
• Use boxed stock or broth concentrate if you do not have homemade stock.
• Use bagged frozen peas and pre-washed spinach for quick vegetables.
• Use pre-minced garlic and pre-shredded turkey from the fridge if you prepped after the holiday.

Equipment list

• Large skillet or sauté pan, 10 to 12 inches, with high sides
• Wooden spoon or silicone spatula
• Chef’s knife and cutting board
• Measuring cups and spoons
• Small whisk for the sauce
• Tongs or spoon for stirring in the turkey

Tips & Mistakes

• Slice mushrooms evenly so they brown at the same rate and do not steam.
• Pat leftover turkey dry if it looks very wet so it does not water down the sauce.
• Brown mushrooms in a single layer and avoid constant stirring so they develop flavor.
• Keep heat at medium when you add flour so it cooks but does not burn.
• Warm broth slightly or add it slowly while you whisk to avoid lumps in the sauce.
• Add cream after the broth thickens so the sauce turns silky, not grainy.
• Simmer sauce gently and avoid a hard boil so dairy does not curdle.
• Add Parmesan off the heat or on low so it melts smoothly and does not clump.
• Taste before adding extra salt because broth and cheese already add plenty.
• Stir turkey in near the end and heat it gently so it stays tender and does not dry out.

How to Make Leftover Turkey in Creamy Mushroom Sauce

Step 1: Prep the ingredients

Chop the onion or shallot, mince the garlic, and slice the mushrooms. Cut or shred the leftover turkey into bite-size pieces so it heats evenly. Measure the flour, broth, cream, and Parmesan so you move quickly once you start cooking.

Step 2: Sauté onions and mushrooms

Heat a large skillet over medium heat and add butter or olive oil. Add the onions and cook 3 to 4 minutes until they soften and turn lightly golden. Add the mushrooms in a single layer, sprinkle with a pinch of salt, and cook 6 to 8 minutes until they release their liquid and turn browned and fragrant.

Step 3: Add garlic and herbs

Stir in the minced garlic and thyme. Cook about 30 to 60 seconds until the garlic smells fragrant. Keep the heat at medium so the garlic does not burn and turn bitter.

Step 4: Build the roux

Sprinkle the flour over the mushroom mixture. Stir constantly for 1 to 2 minutes so the flour coats the vegetables and cooks. The mixture will look thick and a bit pasty, which means it stands ready to thicken your sauce.

Step 5: Add broth and simmer

Slowly pour in the broth while you whisk or stir, breaking up any small lumps. Bring the mixture to a gentle simmer and cook 3 to 5 minutes until it thickens to a gravy-like consistency. If it looks too thick, add a splash more broth.

Step 6: Stir in cream and flavor boosters

Lower the heat to medium low and stir in the cream or half and half. Add Dijon mustard and Parmesan, then stir until the cheese melts and the sauce turns smooth and glossy. Taste and adjust with salt, pepper, and a small squeeze of lemon juice if you want more brightness.

Step 7: Add turkey and optional veggies

Add the leftover turkey pieces to the skillet and stir to coat them in the creamy mushroom sauce. Let the mixture heat gently for 5 to 7 minutes until the turkey warms through. Stir in frozen peas or spinach during the last 2 to 3 minutes so they stay bright and tender.

Step 8: Adjust consistency

Check the thickness of the sauce. If it looks too thick, add a splash of broth or milk and stir until it loosens to your liking. Turn off the heat, garnish with extra Parmesan or chopped parsley, and serve hot over pasta, rice, potatoes, or toast.

Variations I’ve Tried

I swapped heavy cream for Greek yogurt once and stirred it in off the heat, which gave a tangy, lighter version that still tasted cozy. I also tried a version with extra thyme and a little sage, which leaned into classic holiday flavors and paired nicely with leftover stuffing on the side. Another time I added sautéed sliced carrots and peas, which turned the skillet into a turkey pot pie situation without the crust.

I tested a version with whole wheat pasta stirred directly into the sauce, which turned it into a one-pan turkey mushroom pasta. I also tried a dairy-light version with olive oil, broth, and a splash of oat milk, which worked surprisingly well for a friend who avoids heavy dairy. Each version kept the same base method, so you can tweak ingredients while you keep the process simple.

How to Serve Leftover Turkey in Creamy Mushroom Sauce

Serve this Leftover Turkey in Creamy Mushroom Sauce over egg noodles, rice, or fluffy mashed potatoes for a full comfort meal. Spoon it over toasted bread or garlic toast for a cozy open-faced sandwich that feels like diner food in the best way. Pair it with a crisp green salad, steamed green beans, or roasted carrots to balance the richness. For kids, serve it simply over buttered noodles with extra Parmesan on top.

How to store

• Fridge: Cool leftovers to room temperature within 1 hour, then store in an airtight container in the refrigerator for up to 3 to 4 days.
• Freezer: Place cooled turkey and sauce in freezer-safe containers or bags, leave a little space for expansion, and freeze for up to 2 months.
• Reheating on stovetop: Reheat gently in a skillet over low to medium heat with a splash of broth or milk, stirring often until hot and smooth.
• Reheating in microwave: Transfer a portion to a microwave-safe dish, cover loosely, and heat in 45 to 60 second bursts, stirring between each, until warmed through.
• Texture fix: If the sauce thickens too much after chilling, loosen it with extra broth or milk while you reheat and stir until it turns creamy again.

Adaly Kandice

Leftover Turkey in Creamy Mushroom Sauce

Leftover Turkey in Creamy Mushroom Sauce is a rich and comforting way to use up cooked turkey, perfect served over rice, pasta, or mashed potatoes.

Pin This Recipe Share on Facebook

Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 30 minutes mins

Servings: 4

Course: Dinner

Cuisine: American

Ingredients

  

• 2 tablespoons unsalted butter
• 1 tablespoon olive oil
• 8 ounces cremini or button mushrooms, sliced
• 1 small yellow onion, finely chopped
• 2 cloves garlic, minced
• 2 tablespoons all-purpose flour
• 1 cup low-sodium chicken or turkey broth
• 1 cup heavy cream or half-and-half
• 2 teaspoons Dijon mustard
• 1/2 teaspoon dried thyme
• 1/2 teaspoon salt, or to taste
• 1/4 teaspoon black pepper, or to taste
• 2 cups cooked turkey, shredded or diced
• 2 tablespoons fresh parsley, chopped

Instructions

 

1. Heat the butter and olive oil in a large skillet over medium heat.
2. Add the sliced mushrooms and cook, stirring occasionally, until they release their moisture and start to brown, about 6–8 minutes.
3. Stir in the chopped onion and cook until softened, 3–4 minutes. Add the minced garlic and cook for 30 seconds, just until fragrant.
4. Sprinkle the flour over the vegetables and cook, stirring constantly, for 1–2 minutes to form a roux.
5. Gradually pour in the broth while whisking or stirring to avoid lumps, then add the cream. Stir until the sauce is smooth.
6. Season with Dijon mustard (if using), dried thyme, salt, and black pepper. Bring the mixture to a gentle simmer and cook until slightly thickened, about 3–5 minutes.
7. Add the cooked turkey to the skillet and stir to coat in the sauce. Simmer on low heat for 5 minutes, or until the turkey is heated through and the sauce has thickened to your liking.
8. Taste and adjust seasoning with additional salt and pepper if needed. Stir in chopped fresh parsley just before serving, if desired.
9. Serve the creamy mushroom turkey over cooked pasta, rice, or mashed potatoes, or alongside steamed vegetables.

Notes

Nutrition Information
Approximate per serving (1/4 of recipe, sauce and turkey only): 410 calories; fat 30 g; saturated fat 15 g; carbohydrates 11 g; fiber 1 g; sugars 4 g; protein 25 g; sodium 520 mg. Values will vary based on brands, substitutions, and portion size.