Chestnut Garlic Greek Chicken Alfredo with Sage Potatoes & Mushroom Pesto Cream

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If you’re looking to take your weeknight dinner game up a notch, this Chestnut Garlic Greek Chicken Alfredo with Sage Potatoes & Mushroom Pesto Cream is the kind of rich, layered comfort food that brings everyone to the table. It fuses creamy Alfredo sauce with earthy mushroom pesto, perfectly crisped sage potatoes, and tender Greek-marinated chicken. The addition of roasted chestnuts and garlic creates a warmth that makes this dish ideal for fall or any time you crave soul-satisfying flavor.

Each component in this recipe plays a special role. The chicken is marinated in Greek yogurt, lemon, and herbs, giving it a tangy brightness that balances the creamy Alfredo. The sage potatoes are crispy on the outside, fluffy inside, and subtly fragrant. Then there’s the mushroom pesto cream—an umami-packed finish that lifts the whole dish to gourmet levels.

Why You’ll Love This Chestnut Garlic Greek Chicken Alfredo

This isn’t your average Alfredo. It has multiple flavor layers, all working together harmoniously. The creamy mushroom sauce adds depth, the sage potatoes give it rustic charm, and the garlic-roasted chestnuts tie everything together with a nutty, caramelized twist. Plus, it all comes together beautifully in one comforting plate.

Even better? It feels elevated, yet it uses accessible ingredients and simple steps. Whether you’re cooking for a special dinner or just want something unforgettable on a weeknight, this dish delivers.

What Kind of Chicken Should I Use?

Boneless, skinless chicken thighs work best for this dish. They stay juicy and absorb the Greek marinade beautifully. That said, if you prefer chicken breasts, they work too—just be mindful not to overcook them. For extra depth, you can grill or pan-sear the chicken to get those delicious charred edges that contrast perfectly with the creamy components.

Ingredients for the Chestnut Garlic Greek Chicken Alfredo

This recipe brings together warm, nutty, creamy, and savory elements. To create each flavorful layer, you’ll need ingredients that balance richness with freshness.

• Boneless Skinless Chicken Thighs: These provide a juicy, flavorful base and soak up the Greek-style marinade well.
• Greek Yogurt: Acts as a marinade base, tenderizing the chicken while adding tanginess.
• Garlic Cloves: Roasted garlic infuses the sauce and potatoes with deep, caramelized flavor.
• Cooked Chestnuts: Roasted or vacuum-packed chestnuts bring a sweet, nutty richness.
• Fresh Sage Leaves: Adds herby aroma to the potatoes and complements the earthy mushroom sauce.
• Yukon Gold Potatoes: Perfect for crisping and holding their texture during roasting.
• Olive Oil: Used throughout for roasting and cooking to add a fruity richness.
• Salt and Pepper: Essential for seasoning all components.
• Baby Bella Mushrooms: Provide the base for the mushroom pesto with earthy depth.
• Parmesan Cheese: Adds saltiness and umami to the pesto and Alfredo.
• Heavy Cream: Used to make the Alfredo sauce creamy and rich.
• Fresh Basil: Blends into the mushroom pesto for a fresh contrast.
• Fettuccine Pasta: Classic pasta shape that catches all the sauce beautifully.

How To Make the Chestnut Garlic Greek Chicken Alfredo

Step 1: Marinate the Chicken

Combine Greek yogurt, minced garlic, lemon juice, olive oil, and a pinch of salt and pepper. Add chicken thighs, coating them well, and refrigerate for at least 30 minutes.

Step 2: Roast the Potatoes and Chestnuts

Toss diced Yukon gold potatoes with olive oil, chopped sage, salt, and pepper. Spread on a baking sheet with whole chestnuts and roast at 425°F for 30-35 minutes until golden and crisp.

Step 3: Cook the Chicken

Sear the marinated chicken in a hot skillet over medium-high heat until golden on both sides and cooked through. Set aside to rest, then slice.

Step 4: Prepare the Mushroom Pesto

In a food processor, blend sautéed baby bella mushrooms, fresh basil, garlic, olive oil, Parmesan, and a splash of cream until smooth.

Step 5: Make the Alfredo Sauce

In a saucepan, simmer heavy cream with grated Parmesan and roasted garlic. Stir in the mushroom pesto to combine.

Step 6: Cook the Pasta

Boil fettuccine until al dente. Reserve 1/2 cup of pasta water, then drain.

Step 7: Assemble Everything

Toss fettuccine in the Alfredo-mushroom sauce, adding a splash of pasta water if needed. Top with sliced chicken, roasted potatoes, and chestnuts. Garnish with fresh basil or extra Parmesan if desired.

Serving and Storing Chestnut Garlic Greek Chicken Alfredo

This dish is hearty enough to serve as a complete meal, and it generously feeds 4 to 6 people. The combination of creamy pasta, roasted potatoes, and savory chicken means everyone gets a filling plate with tons of flavor. For presentation, serve it in shallow bowls to highlight the rustic, comforting vibe. A sprinkle of fresh basil or Parmesan on top finishes it beautifully.

Leftovers can be stored in an airtight container in the fridge for up to 3 days. Reheat gently over the stove or in the microwave with a splash of cream or milk to keep the sauce smooth and luscious. Keep the roasted potatoes slightly separate if you want to re-crisp them in a skillet.

What to Serve With Chestnut Garlic Greek Chicken Alfredo?

Garlic Butter Green Beans

Bright and tender green beans sautéed in garlic butter bring a clean, fresh contrast to the richness of the Alfredo.

Arugula Citrus Salad

Peppery arugula with orange segments and a simple vinaigrette lightens the meal with zing and color.

Warm Artisan Bread

A crusty sourdough or rosemary focaccia is perfect for mopping up the creamy mushroom sauce.

Roasted Brussels Sprouts

Their slight bitterness and crispy edges pair wonderfully with the creamy pasta and chestnuts.

Lemon Cucumber Water

A refreshing drink that balances the warmth and richness of the dish.

Balsamic Roasted Beets

Their earthy sweetness complements the savory layers of the Alfredo.

Grilled Zucchini Ribbons

Simple grilled zucchini adds smokiness and lightness, great for rounding out the meal.

Creamy Tomato Soup

If you’re going for a dinner party-style presentation, start with a small cup of velvety tomato soup to set the tone.

Want More Creamy Chicken Dinner Ideas?

If you love the savory layers of this Chestnut Garlic Greek Chicken Alfredo, there are plenty more comforting, creamy recipes you should try next:

• Creamy Beef and Shells Recipe brings cozy, kid-friendly flavor with a rich tomato-cream sauce.
• Stovetop Creamy Ground Beef Pasta is an easy one-pan solution for hectic weeknights.
• Cheesesteak Tortellini in Rich Provolone Sauce combines cheesy pasta and steakhouse vibes.
• Creamy Ground Beef Alfredo Pasta offers a savory twist on a classic Alfredo.
• One-Pot Smoked Sausage Pasta has bold, smoky flavors and zero fuss.

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And let me know in the comments how yours turned out. Did you keep the mushroom pesto or switch it up? Did the chestnuts surprise you?

I love hearing how others bring these meals to life. Questions are welcome too — let’s help each other cook smarter.

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