Mushroom & Brie Crostini
The Mushroom & Brie Crostini is a remarkable appetizer that perfectly balances creamy brie and savory mushrooms on a crispy baguette. This delightful dish is suitable for various occasions, from dinner parties to casual gatherings. Its rich flavors and appealing presentation make it a must-try recipe that will surely impress your guests!
Why You’ll Love This Recipe
- Easy to Prepare: With simple steps, you can whip up this dish in no time, making it ideal for quick meal prep.
- Flavorful Combination: The earthy taste of Baby Bella mushrooms pairs beautifully with the gooey brie cheese, creating an irresistible bite.
- Versatile Serving Options: Perfect as an appetizer or snack, these crostinis can shine at any event or gathering.
- Customizable Heat: Feel free to adjust the spice level by adding crushed red pepper flakes according to your preference.
- Fresh Ingredients: Made with wholesome ingredients, this recipe is both delicious and satisfying.
Tools and Preparation
Before diving into making your Mushroom & Brie Crostini, gather your essential tools. Having everything ready will streamline the cooking process.
Essential Tools and Equipment
- Baking sheet
- Skillet
- Knife
- Cutting board
- Brush
Importance of Each Tool
- Baking sheet: Essential for toasting the baguette slices evenly in the oven.
- Skillet: Ideal for sautéing the mushrooms and garlic to enhance their flavors.
- Knife: A sharp knife makes slicing through the brie cheese and baguette easier.
- Cutting board: Provides a safe surface for chopping ingredients like garlic and parsley.

Ingredients
To create your Mushroom & Brie Crostini, gather these ingredients:
For the Crostini Base
- 1 baguette (sliced into 1/2 inch thick rounds)
- 1 tbsp olive oil (used for brushing)
For the Mushroom Topping
- 250 g Baby Bella Mushrooms (thinly sliced)
- 2 garlic cloves (minced)
- 1/4 cup Marsala apple vinegar
- 1 tbsp salt and pepper (to taste)
- 1 dash crushed red pepper flakes (OPTIONAL to add a little heat)
For Assembly
- 1 package Brie Cheese (sliced)
- 1 bunch fresh parsley (finely chopped for garnish)
How to Make Mushroom & Brie Crostini
Step 1: Prepare the Baguette
- Preheat the oven to 375°F (190°C).
- Place the baguette slices on a baking sheet.
- Brush both sides of each slice with olive oil.
- Toast in the oven for about 3-5 minutes, or until golden brown. Remove and set aside.
Step 2: Cook the Mushrooms
- In a large skillet, heat about 2 tablespoons of olive oil over medium heat.
- Add the minced garlic and sauté until fragrant, about 1 minute.
- Add sliced Baby Bella mushrooms. Cook while stirring occasionally until they release moisture and become golden brown, about 5-7 minutes.
- Pour in Marsala apple vinegar and let simmer until reduced by half, approximately 2-3 minutes.
- Season with salt and pepper. If using red pepper flakes, stir them in at this point. Remove from heat.
Step 3: Assemble the Crostinis
- Lay a slice of Brie on each toasted baguette slice, covering it fully.
- Spoon a generous amount of mushroom mixture over each piece of brie.
- Place the loaded baguette slices back on the baking sheet.
Step 4: Bake
Transfer the baking sheet back to the oven. Bake for about 3-5 minutes or until Brie starts melting but not completely runny.
Step 5: Serve
- Remove from oven and allow cooling for one minute.
- Garnish with chopped fresh parsley before serving.
- Serve immediately while warm and gooey. Enjoy!
How to Serve Mushroom & Brie Crostini
Mushroom & Brie Crostini make an elegant appetizer that can be served in various ways. Whether for a casual gathering or a formal dinner, these crostinis are sure to impress your guests.
Pair with a Fresh Salad
- A crisp green salad with mixed greens, cherry tomatoes, and a light vinaigrette complements the richness of the crostini perfectly.
Offer as Part of a Charcuterie Board
- Arranging these crostinis alongside cheeses, fruits, and nuts creates an inviting spread that’s perfect for snacking throughout the evening.
Serve with Dips
- Consider pairing with a creamy dip or hummus on the side for added flavor and variety.
Include Seasonal Vegetables
- Grilled or roasted seasonal vegetables can enhance the meal’s aesthetic and provide additional nutrients.
Add a Touch of Fresh Herbs
- Sprinkling fresh herbs like basil or thyme on top before serving elevates both the appearance and taste of your crostini.
How to Perfect Mushroom & Brie Crostini
Perfecting Mushroom & Brie Crostini is all about attention to detail. Follow these tips for an irresistible appetizer.
- Choose Quality Ingredients: Using fresh Baby Bella mushrooms and high-quality Brie will significantly improve the overall flavor.
- Toast Baguette Properly: Ensure your baguette slices are evenly toasted for the best texture; they should be crisp yet not too hard.
- Control Cooking Time: Cook mushrooms until they’re golden brown but not overdone, preserving their flavor and moisture.
- Use Fresh Garlic: Freshly minced garlic adds more aroma and depth compared to pre-minced options.
- Serve Immediately: For the best experience, serve the crostinis right after baking while the Brie is still warm and gooey.
- Experiment with Toppings: Feel free to add other toppings like caramelized onions or roasted peppers to customize your crostinis.
Best Side Dishes for Mushroom & Brie Crostini
To round out your meal, consider serving these delightful side dishes alongside Mushroom & Brie Crostini for a complete dining experience.
- Mixed Green Salad: A light salad with various greens dressed in lemon vinaigrette enhances the meal’s freshness.
- Roasted Vegetable Medley: Seasonal roasted vegetables provide color and nutrition, making them an ideal companion.
- Creamy Tomato Soup: This classic soup pairs beautifully with crostinis, offering a comforting contrast in textures.
- Garlic Parmesan Breadsticks: These savory breadsticks add extra flavor and are perfect for dipping into soups or sauces.
- Crispy Potato Wedges: Seasoned potato wedges add crunchiness to your meal while complementing the rich flavors of brie.
- Fruit Platter: A selection of fresh fruits introduces sweetness that balances out savory dishes nicely.
- Zucchini Fritters: Lightly fried zucchini fritters make for a tasty finger food option that aligns well with crostinis.
- Bruschetta Bar: Set up a bruschetta bar with various toppings so guests can create their own unique combinations alongside their crostinis.
Common Mistakes to Avoid
When preparing Mushroom & Brie Crostini, avoiding common pitfalls can enhance your dish. Here are some mistakes to steer clear of:
- Overcooking the Mushrooms – Cooking mushrooms for too long can lead to a tough texture. Keep an eye on them as they should be golden brown but still tender.
- Not Toasting the Baguette Properly – If the baguette slices aren’t toasted enough, they may become soggy when topped with the mushroom mixture. Ensure they are crisp and lightly browned.
- Using Too Much Garlic – While garlic adds flavor, too much can overpower the dish. Stick to 2 cloves for a balanced taste that complements the brie and mushrooms.
- Skipping the Garnish – Fresh parsley not only adds color but also enhances flavor. Don’t skip this step; it elevates your Mushroom & Brie Crostini.
- Rushing the Assembly Process – Take your time while assembling to ensure each crostini is topped evenly with brie and mushrooms. A rushed assembly might lead to uneven flavors.
- Serving at the Wrong Temperature – These crostinis are best enjoyed warm. Allow them to cool slightly after baking, but serve them immediately while still gooey for optimal taste.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Mushroom & Brie Crostini in an airtight container.
- They can be refrigerated for up to 3 days.
Freezing Mushroom & Brie Crostini
- Freeze assembled crostinis in a single layer on a baking sheet before transferring them to a freezer-safe bag.
- They can be frozen for up to 1 month.
Reheating Mushroom & Brie Crostini
- Oven – Preheat oven to 350°F (175°C) and bake for about 10-15 minutes until heated through.
- Microwave – Heat in short intervals of 30 seconds until warm, though this may make the bread soggy.
- Stovetop – Use a skillet over low heat, covering it with a lid for even warming.
Frequently Asked Questions
Here are some common questions regarding Mushroom & Brie Crostini:
What is Mushroom & Brie Crostini?
Mushroom & Brie Crostini is a savory appetizer featuring toasted baguette slices topped with sautéed mushrooms and creamy brie cheese.
Can I make Mushroom & Brie Crostini ahead of time?
Yes, you can prepare the mushroom mixture ahead of time and store it separately. Assemble and bake just before serving for best results.
What can I substitute for brie cheese?
If you prefer, you can use other soft cheeses like camembert or goat cheese as alternatives in your Mushroom & Brie Crostini.
How do I add more flavor to my mushroom mixture?
You can experiment by adding herbs like thyme or rosemary. A splash of balsamic vinegar can also enhance the flavor profile of your Mushroom & Brie Crostini.
Final Thoughts
Mushroom & Brie Crostini makes an impressive appetizer that’s easy to prepare and always delights guests. This recipe’s versatility allows you to customize toppings or incorporate different cheeses based on your preferences. Try it at your next gathering!
Mushroom & Brie Crostini
Mushroom & Brie Crostini is an elegant appetizer that combines the creamy richness of brie with the savory depth of sautéed Baby Bella mushrooms, all served on perfectly toasted baguette slices. This delightful dish is not only visually appealing but also incredibly easy to prepare, making it a fantastic choice for dinner parties, casual gatherings, or even cozy nights in. The warm, gooey brie pairs beautifully with the earthy mushrooms and garlic, creating a burst of flavor in every bite. Whether served as part of a charcuterie board or as a standalone treat, these crostinis are sure to impress your guests and elevate any occasion.
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes
- Yield: Serves approximately 8 people 1x
- Category: Appetizer
- Method: Baking
- Cuisine: American
Ingredients
- 1 baguette (sliced into 1/2 inch thick rounds)
- 1 tbsp olive oil (used for brushing)
- 250 g Baby Bella Mushrooms (thinly sliced)
- 2 garlic cloves (minced)
- 1/4 cup apple vinegar
- 1 tbsp salt and pepper (to taste)
- 1 dash crushed red pepper flakes (OPTIONAL to add a little heat)
- 1 package Brie Cheese (sliced)
- 1 bunch fresh parsley (finely chopped for garnish)
Instructions
- Preheat the oven to 375°F (190°C). Slice the baguette into 1/2 inch rounds and brush both sides with olive oil. Toast on a baking sheet for 3-5 minutes until golden brown and set aside.
- In a skillet, heat olive oil over medium heat. Sauté minced garlic until fragrant, then add sliced mushrooms. Cook until golden brown (about 5-7 minutes), then stir in apple vinegar and season with salt, pepper, and optional red pepper flakes.
- Assemble each toasted baguette slice with a piece of brie followed by the mushroom mixture. Return to the oven for 3-5 minutes until the cheese is melty.
- Garnish with fresh parsley and serve warm.
Nutrition
- Serving Size: 2 crostini (70g)
- Calories: 210
- Sugar: 1g
- Sodium: 300mg
- Fat: 12g
- Saturated Fat: 6g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 1g
- Protein: 7g
- Cholesterol: 30mg