Mushroom Mac and Cheese with Garlic Butter Shiitakes and Gruyere

By Amber Apron

On August 30, 2026

Top-down view of a rustic bowl filled with mushroom mac and cheese topped with golden seared shiitake mushrooms and fresh thyme.

Cuisine

American

Prep time

15 minutes

Cooking time

25 minutes

Total time

40 minutes

Servings

6 cups

This mushroom mac and cheese is the ultimate comfort food upgrade, combining the nostalgic creaminess of a classic pasta bake with the sophisticated, earthy depth of gourmet fungi. If you are looking for a dish that stops the scroll on Pinterest and delivers a high-gloss, restaurant-quality finish in your own kitchen, you have found it. From the first thick, stringy cheese pull to the last bite of golden-seared cremini mushrooms, this recipe is designed to satisfy the most demanding home cooks.

We aren’t just making dinner; we are building layers of flavor using large cavatappi pasta, a velvety sharp cheddar and gruyere sauce, and a buttery mushroom topping that provides a meaty, satisfying contrast. This mushroom mac and cheese validates every craving for a rich, savory meal that looks just as good as it tastes.

Detailed shot of butter-glistening mushrooms on top of creamy cavatappi pasta. (mushroom mac and cheese)
Golden-brown cremini and shiitake mushrooms add an incredible meaty texture.

Why This Gourmet Mushroom Mac and Cheese Works

  • Textural Contrast: The ridged cavatappi pasta perfectly captures the glossy sauce, while the seared mushrooms provide a firm, meaty bite.
  • Sophisticated Cheese Blend: We use a combination of sharp cheddar for tang and gruyere for that iconic, nutty melt and stringy pull.
  • Umami Bomb: By using both cremini and shiitake mushrooms, we maximize the savory depth, enhanced by a luscious garlic butter glaze.
  • Visual Appeal: Garnished with fresh chives, thyme, and cracked black pepper, this dish is a masterpiece of rustic elegance.

If you love deep, earthy flavors, you might also enjoy our Wild Rice Mushroom Soup for a lighter take on these savory ingredients.

Essential Ingredients for the Creamiest Mushroom Pasta

To achieve the glossy, pale gold sauce seen in the visuals, quality of ingredients is paramount. Each component serves a specific culinary purpose to ensure the final dish is balanced and luxurious.

  • 1 lb (454g) Cavatappi Pasta: The large, spiral shape and exterior ridges are essential for holding onto the thick cheese sauce.
  • 8 oz (225g) Cremini Mushrooms: Sliced thick to maintain a meaty center while the edges turn golden-brown.
  • 4 oz (115g) Shiitake Mushrooms: These provide a more intense, smoky flavor profile compared to standard button mushrooms.
  • 4 tbsp (56g) Unsalted Butter: Divided for searing the mushrooms and creating the flour-based roux for the sauce.
  • 3 cups (710ml) Whole Milk: Provides the liquid base for a silky, full-bodied bechamel.
  • 2 cups (200g) Sharp Cheddar Cheese: Freshly grated is a must for a smooth melt; it provides the foundational “mac” flavor.
  • 1 cup (100g) Gruyere Cheese: This is the secret to the stringy cheese pull and adds a complex, nutty note.
  • 3 cloves Garlic: Minced and sautéed in butter to create a fragrant glaze for the mushroom topping.
  • Fresh Thyme & Chives: Essential aromatics that cut through the richness of the heavy cheese.
  • Freshly Grated Parmesan: For dusting the top, providing a salty, umami-rich finishing touch.

The Science of the Perfect Golden Mushroom Sear

One of the biggest mistakes in making mushroom mac and cheese is crowding the pan. To get those golden edges and butter-glistening surfaces, you must give the mushrooms space to breathe.

Step 1: Achieving Caramelization

Heat a large skillet over medium-high heat with 2 tablespoons (28g) of butter. Add the sliced cremini and shiitake mushrooms in a single layer. Do not stir immediately. Let them sit for 3-4 minutes until the bottom edges turn a deep, crispy brown. This creates the “fond” or browned bits that contain all the flavor.

Step 2: The Garlic Butter Finish

Once the mushrooms are seared, add the minced garlic and a pinch of salt. Toss them gently so the garlic butter glaze coats every surface. The mushrooms should look high-gloss and vibrant. Set these aside; they will be the crowning jewel of your pasta bowl. If you are planning a full menu, these mushrooms also pair beautifully with Roasted Parmesan Potatoes and Broccoli.

Top-down view of a rustic bowl filled with mushroom mac and cheese topped with golden seared shiitake mushrooms and fresh thyme.
Rustic elegance meets comfort in this savory mushroom mac and cheese.

Constructing the Velvety Cheese Foundation

A great mushroom mac and cheese lives or dies by its sauce consistency. We are aiming for a thick, glossy, pale gold liquid that coats the noodle without becoming grainy.

Step 3: Building the Roux and Bechamel

In a large pot, melt the remaining butter and whisk in an equal amount of all-purpose flour. Cook for 1-2 minutes to remove the raw flour taste. Slowly stream in the whole milk (710ml) while whisking constantly. This is the key to a lump-free sauce. Simmer until the mixture is thick enough to coat the back of a spoon.

Step 4: The Cheese Melt

Turn off the heat and fold in the sharp cheddar and gruyere. Stir gently until the sauce is completely smooth and flecked with cracked black pepper. The residual heat is enough to melt the cheese without breaking the fats, ensuring that velvety texture you see in the photos.

Assembling the Ultimate Bowl

Bring a large pot of salted water to a boil and cook your cavatappi pasta until just slightly under al dente. The pasta will continue to cook slightly when combined with the hot sauce. Drain well, but do not rinse.

Fold the cooked pasta into the cheese sauce until every ridge is filled with gold. Transfer the mac to a rustic white ceramic bowl. Pile the seared mushrooms heavily on top, ensuring the butter-glistening edges are visible. Scatter the finely chopped chives, fresh thyme leaves, and a generous dusting of parmesan cheese over the top while it is still steaming hot.

This dish is a fantastic addition to your rotation of back-to-school dinner ideas because it is filling, comforting, and feels like a special occasion meal.

Expert Tips for Mushroom Mac and Cheese Success

  • Grate Your Own Cheese: Pre-shredded cheese is coated in potato starch, which will prevent your sauce from achieving that glossy, high-shine finish.
  • Mushroom Variety: While we use cremini and shiitake, feel free to add oyster or chanterelle mushrooms for even more gourmet flair.
  • The Pasta Water: Reserve a splash of pasta water. If your sauce becomes too thick as it sits, a tablespoon of starchy water will loosen it back to a silky state.
  • Herb Timing: Add the fresh thyme to the mushrooms at the very end of searing to preserve its delicate, floral oils.

Storage, Reheating, and Make-Ahead Instructions

To Store: Keep leftovers in an airtight container in the refrigerator for up to 3 days. The mushrooms may soften slightly, but the flavor will remain intense.

To Reheat: Mac and cheese tends to soak up sauce as it sits. Reheat on the stovetop with a splash of milk or cream to restore the glossy cheese sauce texture. Avoid the microwave if possible, as it can cause the cheese fats to separate.

Freezing: We do not recommend freezing this specific recipe, as the texture of the cavatappi and the delicate mushrooms can become mushy upon thawing.

What to Serve With Gourmet Mac and Cheese

Because this mushroom mac and cheese is incredibly rich, it pairs best with bright, acidic side dishes. A crisp green salad or a Tomato and Garlic Medley Salad provides the perfect palate cleanser between bites of decadent pasta.

Frequently Asked Questions

You can prep the mushrooms and sauce separately, but for the best texture and ‘cheese pull,’ it is best to assemble and serve immediately.

Always grate cheese from a block to avoid anti-caking starches, and add the cheese to the sauce base off the heat to prevent the proteins from tightening and clumping.

While cavatappi is ideal for its ridges and shape, you can substitute with large elbow macaroni, fusilli, or campanelle to catch the glossy sauce.

Cremini and shiitake offer the best balance of meaty texture and earthy flavor. For more luxury, chanterelles or oyster mushrooms are excellent additions.

The Ultimate Mushroom Mac and Cheese Recipe

A close up photo of mushroom mac and cheese featuring glossy cavatappi pasta and a thick cheese pull with seared cremini mushrooms.
The ultimate mushroom mac and cheese with a decadent stringy cheese pull.
Top-down view of a rustic bowl filled with mushroom mac and cheese topped with golden seared shiitake mushrooms and fresh thyme.

Mushroom Mac and Cheese with Garlic Butter Shiitakes and Gruyere

Elevate your comfort food with this gourmet mushroom mac and cheese. Featuring a velvety sharp cheddar and gruyere sauce, large cavatappi pasta, and meaty, golden-seared cremini and shiitake mushrooms with fresh herbs.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 cups
Course: Dinner, Main Course
Cuisine: American
Calories: 645

Ingredients
  

Main Ingredients
  • 1 lb (454g) Cavatappi Pasta large ridged shells
  • 8 oz (225g) Cremini Mushrooms thickly sliced
  • 4 oz (115g) Shiitake Mushrooms stems removed, sliced
  • 4 tbsp (56g) Unsalted Butter divided
  • 3 cups (710ml) Whole Milk
  • 2 cups (200g) Sharp Cheddar Cheese freshly grated
  • 1 cup (100g) Gruyere Cheese freshly grated
  • 3 cloves Garlic minced
  • 1 tsp Fresh Thyme leaves only
  • 2 tbsp Fresh Chives finely chopped

Equipment

  • 1 Large Skillet For searing mushrooms
  • 1 Large pot For boiling pasta and making sauce

Method
 

Prepare the Components
  1. Cook cavatappi in salted water until just before al dente. Drain and set aside.
  2. In a skillet with 2 tbsp butter, sear cremini and shiitakes until golden-brown. Add garlic at the end to create a glaze.
Make the Cheese Sauce
  1. Melt remaining butter in a pot, whisk in flour for 1 minute, then slowly whisk in milk until thickened.
  2. Remove from heat and stir in cheddar and gruyere until glossy and smooth. Season with black pepper.
Assemble
  1. Fold pasta into the sauce. Top with seared mushrooms, chives, thyme, and parmesan. Serve immediately for a thick cheese pull.

Notes

Always grate your cheese from a block for the smoothest sauce.
Don't overcrowd the mushroom pan to ensure they get crispy edges.

Share Your Masterpiece!

Did you achieve that perfect stringy cheese pull? We want to see it! Save this recipe to your Pinterest Comfort Food board so you never lose it. Follow @amber_apron for more gourmet inspiration, and if you made this, please leave a 5-star rating and drop a photo in the comments below! Happy cooking!

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