Mushroom & Brie Crostini
If you’re looking for a delightful appetizer that’s sure to impress your guests, then let me share my favorite recipe: Mushroom & Brie Crostini. This dish brings together perfectly sautéed mushrooms and gooey brie cheese, all on top of crispy baguette slices. It’s a warm, comforting bite that always gets rave reviews at dinner parties and family gatherings. Whether you’re hosting a casual get-together or a festive holiday celebration, these crostinis will surely be the star of the show!
What makes this recipe even better is how simple it is to prepare. You can whip it up in just 35 minutes, making it perfect for those busy weeknights when you want something special without too much fuss.
Why You’ll Love This Recipe
- Easy to Make: With only a few simple steps, you can have this delicious appetizer ready in no time!
- Crowd-Pleaser: The combination of rich brie and savory mushrooms is always a hit with family and friends.
- Versatile: Perfect for any occasion—from casual dinners to elegant parties, these crostinis fit right in.
- Make-Ahead Friendly: Prepare the mushroom mixture in advance and assemble just before serving for extra convenience.
- Customizable: Feel free to tweak the ingredients based on your preferences or what you have on hand!

Ingredients You’ll Need
Let’s gather our ingredients! This Mushroom & Brie Crostini recipe uses simple, wholesome items that are easy to find at your local grocery store. Here’s what you’ll need:
For the Crostini
- 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 package Brie Cheese, sliced
- 1 tbsp salt and pepper, to taste
- 1 bunch fresh parsley, finely chopped for garnish
- 1 dash crushed red pepper flakes, optional for added heat
Variations
This Mushroom & Brie Crostini recipe is wonderfully flexible! Here are some fun ideas to mix things up:
- Swap the cheese: Use goat cheese or feta instead of brie for a different flavor profile.
- Add veggies: Incorporate spinach or sun-dried tomatoes into the mushroom mixture for an extra veggie boost.
- Change the bread: Try using ciabatta or sourdough instead of baguette for a unique texture.
- Top with nuts: Add toasted walnuts or pecans on top for a crunchy finish.
How to Make Mushroom & Brie Crostini
Step 1: Prepare the Baguette
First things first! Preheat your oven to 375°F (190°C). While it’s heating up, take those baguette slices and arrange them on a baking sheet. Brush both sides with olive oil—this helps achieve that lovely golden color when toasted. Pop them in the oven for about 3-5 minutes until they’re nice and crispy. This step is crucial as it ensures our crostinis have that perfect crunch!
Step 2: Cook the Mushrooms
In a large skillet, heat about 2 tablespoons of olive oil over medium heat. Add in your minced garlic and sauté until fragrant—this should take about a minute. Now, add those sliced Baby Bella mushrooms. Cook them while stirring occasionally until they release their moisture and turn golden brown (about 5-7 minutes). Pour in the Marsala apple vinegar and let it simmer until reduced by half (around 2-3 minutes). Season with salt, pepper, and optional red pepper flakes—it’ll add a lovely kick!
Step 3: Assemble the Crostinis
Now comes the fun part! On each toasted baguette slice, lay down a slice of brie cheese so it covers most of the bread. Then, spoon a generous amount of that flavorful mushroom mixture right over the brie. These toppings create layers of flavor that are simply irresistible! Place all loaded baguette slices back on your baking sheet.
Step 4: Bake
Time to bake! Transfer those topped crostinis back into the oven for another 3-5 minutes, just until the brie starts melting into gooey goodness. Keep an eye on them; you want them warm but not overly melted.
Step 5: Serve
Once out of the oven, let them cool for just a minute before garnishing with chopped fresh parsley—it adds such vibrant color! Serve immediately while they’re still warm and gooey. Trust me; everyone will be reaching for seconds! Enjoy every delicious bite!
Pro Tips for Making Mushroom & Brie Crostini
Creating the perfect Mushroom & Brie Crostini is all about attention to detail, and these tips will help you elevate your appetizer game!
-
Use Fresh Ingredients: Fresh mushrooms and high-quality Brie cheese make a significant difference in flavor. Opt for Baby Bella mushrooms, as they provide a rich, earthy taste that pairs beautifully with the creamy Brie.
-
Don’t Skip the Toasting: Toasting the baguette slices enhances their texture and flavor. A well-toasted crostini adds a delightful crunch that contrasts perfectly with the soft, melted cheese and savory mushrooms.
-
Control the Heat: If you want to add a bit of spice, start small with red pepper flakes. You can always add more later, but it’s tough to take away heat once it’s there!
-
Garnish Generously: Fresh parsley not only adds color but also brings a fresh burst of flavor. Don’t be shy—use enough to make your crostinis visually appealing.
-
Serve Immediately: These crostinis are best enjoyed fresh out of the oven when the Brie is gooey and warm. If you’re making them for guests, consider preparing the mushroom mixture ahead of time so you can assemble and bake right before serving.
How to Serve Mushroom & Brie Crostini
Presentation is key when it comes to appetizers! Here are some delightful ways to serve your Mushroom & Brie Crostini that will impress your guests.
Garnishes
- Chopped Chives: Sprinkling some finely chopped chives adds a mild onion flavor and vibrant green color, enhancing both visual appeal and taste.
- Balsamic Reduction: A drizzle of balsamic reduction over the top can provide a sweet tanginess that complements the richness of the Brie and earthiness of the mushrooms.
- Microgreens: Adding a handful of microgreens not only looks elegant but also introduces fresh flavors that balance the rich ingredients.
Side Dishes
-
Mixed Green Salad: A light salad with mixed greens dressed in a simple vinaigrette provides a refreshing contrast to the rich crostinis. The crispness of the greens balances out their creaminess.
-
Roasted Vegetables: A platter of seasonal roasted vegetables like bell peppers, zucchini, or asparagus can add vibrant colors and textures alongside your crostinis, creating a well-rounded spread.
-
Hummus Platter: Serve your crostinis alongside an assortment of hummus flavors (like roasted red pepper or garlic) along with pita chips or veggies for dipping. This adds variety and caters to different dietary preferences.
-
Cheese Board: A simple cheese platter featuring various cheeses (excluding animal-derived gelatin) paired with fruits and nuts creates an inviting dining experience that complements your crostinis beautifully.
With these tips on presentation and pairing suggestions, your Mushroom & Brie Crostini will not only taste fantastic but will also look stunning on any table! Enjoy your culinary creation!

Make Ahead and Storage
This Mushroom & Brie Crostini recipe is fantastic for meal prep, making it a great addition to your entertaining plans. You can prepare several elements in advance, saving you time on the day of your gathering.
Storing Leftovers
- Allow any leftover crostini to cool completely.
- Store them in an airtight container in the refrigerator for up to 2 days.
- If separating the mushroom mixture and baguette slices, place them in separate containers for better freshness.
Freezing
- Freeze the mushroom mixture in an airtight container for up to 1 month.
- The baguette slices are best enjoyed fresh but can be frozen as well; wrap them tightly in plastic wrap before placing them in a freezer bag.
- When ready to use, thaw the mushroom mixture overnight in the refrigerator and reheat before assembling.
Reheating
- Preheat your oven to 350°F (175°C).
- Arrange the crostini on a baking sheet and bake for about 5-7 minutes or until warmed through.
- For just the mushroom mixture, heat it gently on the stovetop over low heat until warmed through.
FAQs
Here are some common questions about this delicious recipe:
Can I make Mushroom & Brie Crostini without garlic?
Absolutely! If you prefer a milder flavor or have dietary restrictions regarding garlic, feel free to omit it from the recipe. The dish will still be flavorful thanks to the mushrooms and brie.
What can I serve with Mushroom & Brie Crostini?
These crostinis pair beautifully with a light salad or a charcuterie board filled with fruits and nuts. They also make an excellent starter for any dinner party!
Is there a vegan alternative for this Mushroom & Brie Crostini?
Yes! You can substitute brie cheese with a plant-based cheese option that melts well. This way, you can enjoy a vegan version without losing that creamy texture.
How do I customize my Mushroom & Brie Crostini?
Feel free to add additional toppings like caramelized onions, sautéed spinach, or even different types of mushrooms. The possibilities are endless!
Final Thoughts
I hope you enjoy making these Mushroom & Brie Crostinis as much as I do! They’re not only simple to prepare but also pack a delightful punch of flavors that will impress your guests. Whether it’s for a cozy night in or a festive gathering, this recipe is bound to be a hit. Don’t hesitate to experiment with different toppings and variations—there’s always room for creativity in cooking. Happy cooking!
Mushroom & Brie Crostini
Indulge in the delightful flavors of Mushroom & Brie Crostini, a perfect appetizer for any gathering. This recipe features buttery Baby Bella mushrooms sautéed with fragrant garlic and tangy Marsala apple vinegar, generously layered on warm, toasted baguette slices topped with creamy brie cheese. Each bite is a harmonious blend of textures and tastes that will leave your guests raving. Quick to prepare in just 35 minutes, these crostinis are versatile enough for casual dinners or elegant celebrations.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Total Time: 35 minutes
- Yield: Serves approximately 12 crostinis 1x
- Category: Appetizer
- Method: Baking
- Cuisine: French
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 Marsala apple vinegar
- 1 package Brie Cheese, sliced
- 1 tbsp salt and pepper, to taste
- 1 bunch fresh parsley, finely chopped for garnish
- 1 dash crushed red pepper flakes, optional for added heat
Instructions
- Preheat oven to 375°F (190°C). Arrange baguette slices on a baking sheet and brush both sides with olive oil. Toast for 3-5 minutes until crispy.
- In a skillet, heat olive oil over medium heat. Sauté minced garlic until fragrant, about 1 minute. Add sliced mushrooms and cook until golden brown, around 5-7 minutes.
- Pour in Marsala apple vinegar and reduce by half (2-3 minutes). Season with salt, pepper, and optional red pepper flakes.
- On each toasted baguette slice, place a slice of brie cheese followed by a spoonful of the mushroom mixture. Return to the oven for an additional 3-5 minutes until the brie is melted.
- Garnish with fresh parsley and serve warm.
Nutrition
- Serving Size: 1 crostini (30g)
- Calories: 120
- Sugar: 1g
- Sodium: 180mg
- Fat: 8g
- Saturated Fat: 4g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 10g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 15mg
