Truffled Mushroom Mac Crostini

Featured in: Sunrise Spoonfuls

Golden crostini topped with a rich blend of truffle-infused mushroom macaroni make an impressive bite perfect for parties. Sliced baguette rounds are toasted, rubbed with garlic, and heaped with creamy Gruyère, Parmesan, and thyme-scented mushrooms. Finished with chives, a touch of truffle oil, and extra Parmesan, each portion is both decadent and satisfying. Vegetarian-friendly, this starter offers an elegant option for entertaining, pairing beautifully with sparkling wine or crisp Chardonnay.

Updated on Thu, 30 Oct 2025 12:16:00 GMT
Luxurious truffled mushroom mac crostini topped with creamy cheese and fresh chives.  Save It
Luxurious truffled mushroom mac crostini topped with creamy cheese and fresh chives. | sunnyspoonful.com

A luxurious appetizer featuring creamy truffle-infused mushroom macaroni atop crisp crostini, perfect for elegant gatherings.

The first time I made these Truffled Mushroom Mac Crostini, my friends were amazed by the blend of earthy mushrooms and rich truffle aroma. It became an instant favorite on our party table.

Ingredients

  • Crostini: 1 baguette, sliced into 12 thin rounds, 2 tbsp olive oil, 1 garlic clove, halved
  • Mushroom Mac: 120 g (4 oz) elbow macaroni, 1 tbsp unsalted butter, 1 tbsp olive oil, 200 g (7 oz) mixed mushrooms (cremini, shiitake, or button) finely chopped, 2 garlic cloves minced, 1 tsp fresh thyme leaves (or 1/2 tsp dried), 1/2 tsp kosher salt, 1/4 tsp black pepper, 80 ml (1/3 cup) heavy cream, 50 g (1/2 cup) grated Gruyère cheese, 2 tbsp grated Parmesan cheese, 1 tsp truffle oil (plus more for drizzling)
  • Garnish: Fresh chives finely chopped, Extra Parmesan cheese (optional)

Instructions

Prepare Crostini:
Preheat oven to 200°C (400°F). Arrange baguette slices on a baking sheet, brush both sides lightly with olive oil, and bake 8–10 minutes, flipping once, until golden and crisp. While still warm, rub with cut sides of garlic clove. Set aside.
Cook Macaroni:
Cook macaroni in salted boiling water according to package instructions. Drain and set aside.
Sauté Mushrooms:
In a large skillet over medium-high heat, melt butter with olive oil. Add chopped mushrooms and cook, stirring until they release their moisture and begin to brown, about 5–7 minutes.
Add Flavorings:
Add minced garlic, thyme, salt, and pepper. Cook for 1 more minute until fragrant.
Make Mushroom Mac:
Lower heat to medium. Stir in cooked macaroni, heavy cream, Gruyère, and Parmesan. Mix until cheese is melted and the mixture is creamy, 2–3 minutes.
Season and Finish:
Remove from heat. Stir in truffle oil. Taste and adjust seasoning if needed.
Assemble Crostini:
Spoon a generous tablespoon of the mushroom mac mixture onto each crostini. Garnish with chives, extra Parmesan, and a light drizzle of truffle oil if desired.
Serve:
Serve immediately while warm.
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My family loves sharing these crostini for special occasions, always enjoying the decadent flavors together around the table.

Required Tools

Baking sheet, saucepan, large skillet, mixing spoon, chef's knife

Allergen Information

This dish contains wheat and milk. Check cheese and truffle oil labels for potential allergens.

Nutritional Information

Each crostini contains 140 calories, 7 g total fat, 15 g carbohydrates, and 4 g protein.

Crisp baguette slices loaded with rich truffled mushroom mac for elegant gatherings.  Save It
Crisp baguette slices loaded with rich truffled mushroom mac for elegant gatherings. | sunnyspoonful.com

Serve these crostini warm for maximum taste. The simple steps deliver show-stopping results for any gathering.

Recipe FAQs

How can I make this appetizer vegan?

Swap dairy butter, cream, and cheeses for plant-based alternatives, and check truffle oil and bread labels for vegan compliance.

Which mushrooms work best for the topping?

Use cremini, shiitake, or button mushrooms. Mixing varieties adds depth of flavor and texture.

Can I prepare the topping ahead of time?

Yes, the mushroom macaroni mixture can be made hours in advance and gently reheated before assembling the crostini.

What's a good wine pairing for these crostini?

Pair with a crisp Chardonnay or sparkling wine to complement the earthy mushrooms and creamy cheeses.

Can I use different bread for the crostini?

Any sturdy bread like sourdough or ciabatta works well as a base for the topping.

What allergens should I be mindful of?

This dish contains wheat (gluten) and milk (dairy). Always check cheese and truffle oil labels for added allergens.

Truffled Mushroom Mac Crostini

Creamy truffle mushroom pasta atop golden crostini creates a rich vegetarian treat for sophisticated occasions.

Prep Time
20 mins
Cook Time
30 mins
Total Duration
50 mins
Authored by Lana Bright

Recipe Type Sunrise Spoonfuls

Skill Level Medium

Cuisine Style Modern American

Recipe Yield 12 Serving Size

Diet Preferences Vegetarian-Friendly

What You'll Need

Crostini

01 1 baguette, sliced into 12 thin rounds
02 2 tablespoons olive oil
03 1 garlic clove, halved

Mushroom Mac

01 4 ounces elbow macaroni
02 1 tablespoon unsalted butter
03 1 tablespoon olive oil
04 7 ounces mixed mushrooms (cremini, shiitake, or button), finely chopped
05 2 garlic cloves, minced
06 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
07 1/2 teaspoon kosher salt
08 1/4 teaspoon black pepper
09 1/3 cup heavy cream
10 1/2 cup grated Gruyère cheese
11 2 tablespoons grated Parmesan cheese
12 1 teaspoon truffle oil, plus more for drizzling

Garnish

01 Fresh chives, finely chopped
02 Extra Parmesan cheese (optional)

Directions

Step 01

Toast Baguette: Preheat oven to 400°F (200°C). Arrange baguette slices on a baking sheet and brush both sides lightly with olive oil. Bake for 8-10 minutes, flipping once, until golden and crisp. While still warm, rub each piece with the cut sides of garlic clove and set aside.

Step 02

Cook Macaroni: Boil elbow macaroni in salted water as per package instructions. Drain well and reserve.

Step 03

Sauté Mushrooms: In a large skillet over medium-high heat, combine butter and olive oil. Add chopped mushrooms and cook, stirring occasionally, until they release moisture and begin to brown, about 5-7 minutes.

Step 04

Add Aromatics: Mix in minced garlic, thyme, salt, and black pepper. Sauté for 1 minute until fragrant.

Step 05

Combine with Pasta and Cheese: Lower heat to medium. Add cooked macaroni, heavy cream, Gruyère, and Parmesan to the skillet. Stir until cheeses are melted and mixture is creamy, around 2-3 minutes.

Step 06

Finish with Truffle Oil: Remove from heat and stir in truffle oil. Taste and adjust seasoning if needed.

Step 07

Assemble Crostini: Spoon a generous tablespoon of mushroom mac mixture onto each crostini. Garnish with chives, extra Parmesan, and a light drizzle of truffle oil if desired.

Step 08

Serving: Serve immediately while warm.

Tools You'll Need

  • Baking sheet
  • Saucepan
  • Large skillet
  • Mixing spoon
  • Chef’s knife

Allergy Information

Review each ingredient to identify potential allergens, and consult a healthcare professional if you're unsure.
  • Contains wheat (gluten) and milk (dairy)
  • Check cheese and truffle oil labels for other potential allergens.

Nutrition Details (Per Serving)

This nutritional data is for reference only and isn't a substitute for medical advice.
  • Caloric Value: 140
  • Fats: 7 grams
  • Carbohydrates: 15 grams
  • Proteins: 4 grams