Mushroom & Brie Crostini
If you’re looking for a delightful appetizer that will wow your guests, look no further than this Mushroom & Brie Crostini. This recipe has become a beloved favorite in my kitchen due to its simplicity and luxurious flavors. The combination of perfectly sautéed mushrooms and gooey brie cheese layered on crispy baguette slices creates a dish that truly feels special.
Perfect for busy weeknights or family gatherings, these crostinis are not only easy to whip up but also a guaranteed crowd-pleaser. With just a handful of wholesome ingredients, you can impress everyone at your next dinner party or holiday gathering. Trust me; they won’t last long on the table!
Why You’ll Love This Recipe
- Quick and Easy: With just 15 minutes of prep time, you can have these delicious bites ready in no time!
- Crowd-Pleasing Flavor: The rich brie pairs beautifully with the earthy mushrooms, making it irresistible.
- Make-Ahead Friendly: You can prepare the mushroom mixture in advance, so assembly is a breeze when guests arrive.
- Customizable: Feel free to add your twist with different toppings or spices to suit your taste.

Ingredients You’ll Need
Let’s gather some simple and wholesome ingredients for these Mushroom & Brie Crostini. You’ll find that everything you need is likely already in your pantry or fridge!
- 1 baguette (sliced into 1/2 inch thick rounds)
- 1 tbsp olive oil (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 a little heat)
Variations
This Mushroom & Brie Crostini recipe is wonderfully flexible! Feel free to experiment with different ingredients based on your preferences.
- Add Different Cheeses: Swap out brie for goat cheese or mozzarella for a unique flavor twist.
- Top with Greens: Add arugula or spinach on top after baking for an extra layer of freshness.
- Spice it Up: Incorporate caramelized onions or roasted peppers for added depth and sweetness.
- Change the Mushrooms: Try shiitake or portobello mushrooms instead of Baby Bella for a different taste profile.
How to Make Mushroom & Brie Crostini
Step 1: Prepare the Baguette
Start by preheating your oven to 375°F (190°C). While it warms up, place your baguette slices on a baking sheet. Brush both sides with olive oil to achieve that perfect golden color when toasted. Bake them for about 3-5 minutes until they are lightly toasted and fragrant. This step adds crunch and helps hold all those delicious toppings!
Step 2: Cook the Mushrooms
In a large skillet over medium heat, warm about two tablespoons of olive oil. Add in the minced garlic and sauté it until it’s fragrant—this only takes about a minute! Now, toss in those sliced Baby Bella mushrooms. Stir occasionally as they cook down, turning golden brown over the next 5-7 minutes. Once they’ve released their moisture, pour in the Marsala apple vinegar and let it simmer until reduced by half. Sprinkle in salt, pepper, and optional red pepper flakes if you’re feeling adventurous!
Step 3: Assemble the Crostinis
Now comes the fun part! On each toasted baguette slice, lay down a generous slice of brie cheese—it should cover most of the crostini. Then, spoon on that savory mushroom mixture right over the brie. Ensure each slice gets plenty; this is where all that fantastic flavor lies!
Step 4: Bake
Return your loaded baking sheet to the oven and bake for another 3-5 minutes until the brie starts to melt and bubble slightly. Keep an eye on them; you want that perfect gooeyness without overdoing it!
Step 5: Serve
Once out of the oven, let them cool just enough so you don’t burn your fingers! Garnish with fresh parsley before serving. These Mushroom & Brie Crostinis are best enjoyed warm while that cheese is still gooey and dreamy—trust me; they won’t last long! ENJOY!
Pro Tips for Making Mushroom & Brie Crostini
Creating the perfect Mushroom & Brie Crostini is easier than you might think, and a few simple tips can take your appetizer to the next level!
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Choose Fresh Ingredients: Using fresh mushrooms and high-quality Brie will significantly enhance the flavor of your crostini. Fresh ingredients are more flavorful and have better textures, making your dish irresistible.
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Be Mindful of Toasting Time: Keeping an eye on your baguette slices while they toast is crucial. Over-toasting can lead to a crunchy base that might overpower the delicate toppings. Aim for a light golden color to achieve that perfect balance.
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Customize Your Seasoning: Don’t hesitate to adjust the salt and pepper according to your taste preferences. You can also experiment with other herbs like rosemary or thyme for added depth of flavor.
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Experiment with Cheese Options: While Brie is a classic choice, feel free to explore similar soft cheeses like Camembert or even a creamy vegan cheese alternative if you’re catering to diverse dietary needs. Each option will bring its own unique flavor profile.
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Serve Immediately for Best Flavor: These crostinis are best enjoyed fresh out of the oven when the cheese is warm and gooey. Plan your serving timing accordingly, so guests get the full experience!
How to Serve Mushroom & Brie Crostini
Presenting your Mushroom & Brie Crostini beautifully can elevate the entire dining experience! Here are some ideas to make it look as fantastic as it tastes.
Garnishes
- Fresh Chives: Finely chopped chives add a burst of color and a mild onion-like flavor that complements the richness of the Brie.
- Microgreens: Sprinkling microgreens on top not only looks stunning but also adds a delicate freshness that balances out the savory elements.
- Balsamic Reduction: A drizzle of balsamic reduction over each crostini adds a sweet tanginess that enhances the overall flavors beautifully.
Side Dishes
- Mixed Green Salad: A light mixed green salad with a vinaigrette dressing provides a refreshing contrast to the rich flavors of the crostinis, making for a well-rounded meal.
- Roasted Vegetables: Seasonal roasted vegetables, such as zucchini or bell peppers, offer additional texture and nutrition while complementing the earthiness of the mushrooms.
- Hummus Platter: Pairing your crostinis with an assortment of hummus provides a delightful variety and caters to different taste preferences while keeping things deliciously plant-based.
- Stuffed Grape Leaves: These offer a flavorful Mediterranean touch that pairs well with mushrooms and cheese, adding an exotic flair to your appetizer spread.
Enjoy crafting these delightful Mushroom & Brie Crostinis at your next gathering—your guests will be raving about them long after they’ve left!

Make Ahead and Storage
This Mushroom & Brie Crostini recipe is perfect for meal prep! You can prepare the components ahead of time and assemble them just before serving, making it an ideal appetizer for busy gatherings.
Storing Leftovers
- Place leftover crostinis in an airtight container in the refrigerator.
- Consume within 2-3 days for the best flavor and texture.
- Reheat gently to restore the gooeyness of the Brie before serving.
Freezing
- It is best to freeze the mushroom mixture separately from the assembled crostinis.
- Allow the mushroom mixture to cool completely before transferring it to a freezer-safe bag or container.
- Store in the freezer for up to 2 months.
Reheating
- Thaw frozen mushroom mixture overnight in the refrigerator.
- To reheat, warm it gently in a skillet over low heat until heated through.
- Assemble crostinis with freshly toasted baguette slices and top with the warmed mushroom mixture before baking briefly to melt the Brie.
FAQs
Here are some common questions about making Mushroom & Brie Crostini:
Can I make Mushroom & Brie Crostini vegan?
Yes! You can swap out Brie cheese for a plant-based cheese alternative that melts well. Just ensure that all other ingredients are also plant-based.
What pairs well with Mushroom & Brie Crostini?
These crostinis pair beautifully with a fresh green salad or a light soup. For drinks, consider serving them with sparkling water or herbal tea.
How do I store leftover Mushroom & Brie Crostini?
Store any leftovers in an airtight container in the fridge for up to 2-3 days. Reheat gently before serving!
Can I use different types of mushrooms for this recipe?
Absolutely! Feel free to experiment with different varieties like cremini or shiitake mushrooms for unique flavors in your Mushroom & Brie Crostini.
Final Thoughts
I hope you find joy in making these delightful Mushroom & Brie Crostini! They are not only easy to prepare but also bring a touch of elegance to any gathering. Whether it’s a cozy dinner party or a festive holiday celebration, these crostinis are sure to impress your guests. Enjoy every bite and feel free to share your experiences with me!
Mushroom & Brie Crostini
Discover the perfect appetizer to impress your guests with these Mushroom & Brie Crostini. This elegant yet simple recipe features sautéed Baby Bella mushrooms paired with creamy brie cheese, all atop crispy baguette slices. In just 15 minutes of prep time, you can whip up this delightful dish that’s sure to be a crowd-pleaser at any gathering. Ideal for busy weeknights or special occasions, these crostinis are customizable and can easily be prepped ahead of time, ensuring a stress-free entertaining experience. Serve them warm for that gooey cheese goodness, and watch them disappear from the table!
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes
- Yield: Approximately 12 servings
- Category: Appetizer
- Method: Baking
- Cuisine: Italian
Ingredients
- Baguette (sliced into 1/2 inch thick rounds)
- Olive oil
- Baby Bella Mushrooms (thinly sliced)
- Garlic cloves (minced)
- Marsala apple vinegar
- Brie Cheese (sliced)
- Salt and pepper (to taste)
- Fresh parsley (for garnish)
- Crushed red pepper flakes (optional)
Instructions
- Preheat oven to 375°F (190°C). Arrange baguette slices on a baking sheet and brush both sides with olive oil. Bake for 3-5 minutes until lightly toasted.
- In a skillet over medium heat, warm olive oil and sauté minced garlic for about one minute. Add sliced mushrooms and cook until golden brown for 5-7 minutes. Pour in Marsala apple vinegar and simmer until reduced by half. 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 and bake for an additional 3-5 minutes until brie is melted.
- Garnish with fresh parsley before serving warm.
Nutrition
- Serving Size: 1 serving
- Calories: 115
- Sugar: 1g
- Sodium: 200mg
- Fat: 7g
- Saturated Fat: 3g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 10g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 15mg