Why You’ll Love This Recipe

This appetizer brings together the savory umami of shiitake mushrooms and tender steak, making each bite full of flavor. The combination of crispy crostini and the rich, buttery texture of the mushrooms and steak creates a satisfying contrast. It’s a perfect finger food for any gathering, offering a bite-sized taste of gourmet indulgence.

Ingredients

1 lb New York strip steak (or sirloin)
1 cup shiitake mushrooms, sliced
1 tbsp olive oil
2 cloves garlic, minced
1 shallot, finely chopped
1 tbsp fresh rosemary, chopped
1 baguette, sliced into 1-inch pieces
Salt and pepper to taste

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

Directions

Preheat your oven to 375°F (190°C) and arrange the baguette slices on a baking sheet. Toast them in the oven for about 8 minutes until golden and crispy.
While the bread is toasting, heat olive oil in a skillet over medium heat. Season the steak with salt and pepper, then cook for about 4-5 minutes per side for medium-rare, or longer to your desired doneness. Remove from the pan and let rest.
In the same skillet, add the minced garlic, chopped shallot, and rosemary. Sauté for about 1 minute until fragrant.
Add the sliced shiitake mushrooms to the skillet, cooking for about 5 minutes, until they release their moisture and become tender.
Slice the rested steak thinly against the grain.
To assemble, place a slice of steak and a spoonful of the mushroom mixture on each crostini.
Serve immediately and enjoy!

Servings and Timing

Servings: 6-8
Prep time: 15 minutes
Cook time: 20 minutes
Total time: 35 minutes

Variations

Different Mushrooms: If shiitake mushrooms aren’t available, substitute with portobello or cremini mushrooms.
Cheese: Add a sprinkle of grated parmesan or crumbled blue cheese on top of the crostinis for extra richness.
Herb Variations: Try using thyme or parsley as alternatives to rosemary.

Storage/Reheating

These crostinis are best served fresh, but if you have leftovers, store the components separately in airtight containers. Keep the crostini at room temperature and the steak and mushrooms in the fridge for up to 2 days. Reheat the steak and mushrooms on low heat before assembling.

FAQs

Can I use a different cut of beef?

Yes, you can use other lean cuts of beef such as flank steak or tenderloin.

How do I prevent the crostini from getting soggy?

Make sure the crostini is toasted until crisp and serve immediately to prevent sogginess.

Can I make this appetizer ahead of time?

You can prepare the steak and mushroom mixture ahead of time, then assemble the crostinis just before serving.

Can I use a different type of mushroom?

Portobello mushrooms work well as a substitute for shiitakes, offering a similar texture and flavor.

What can I serve this with?

This appetizer pairs wonderfully with a light salad, a glass of red wine, or your favorite cocktail.

How do I get the steak to be perfectly medium-rare?

Use a meat thermometer to check for 130°F (54°C) for medium-rare, or cook longer for a more done steak.

Can I make this vegetarian?

To make this dish vegetarian, omit the steak and use additional mushrooms, or substitute with a plant-based meat option.

Can I use store-bought crostini?

Yes, store-bought crostini will work perfectly fine for this recipe.

How do I get the steak sliced thinly?

Allow the steak to rest for a few minutes after cooking, then slice it against the grain to ensure tenderness.

Can I use fresh rosemary?

Yes, fresh rosemary adds a lovely aromatic flavor, but dried rosemary can also be used if that’s what you have on hand.

Conclusion

Steak and shiitake mushroom bruschetta crostini appetizers are the perfect bite-sized treat for your next gathering or meal. With tender steak, savory mushrooms, and crispy crostini, they offer an unforgettable flavor combination. Whether you’re hosting a party or simply indulging in a sophisticated snack, these crostinis are sure to impress.

Steak and Shiitake Mushroom Bruschetta Crostini Appetizers

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Author: Julia
Total Time: 35 minutes
Yield: 6-8 servings
Diet: Gluten Free

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Description

Steak and shiitake mushroom bruschetta crostini appetizers offer a delicious and elegant combination of tender steak, earthy shiitake mushrooms, and crispy crostini. Perfect for parties, gatherings, or as a sophisticated snack, these bite-sized appetizers are full of rich flavors from garlic, rosemary, and shallots. A gourmet treat that’s sure to impress your guests!

Ingredients

1 lb New York strip steak (or sirloin)

1 cup shiitake mushrooms, sliced

1 tbsp olive oil

2 cloves garlic, minced

1 shallot, finely chopped

1 tbsp fresh rosemary, chopped

1 baguette, sliced into 1-inch pieces

Salt and pepper to taste

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Instructions

Preheat your oven to 375°F (190°C) and arrange the baguette slices on a baking sheet. Toast them in the oven for about 8 minutes until golden and crispy.
While the bread is toasting, heat olive oil in a skillet over medium heat. Season the steak with salt and pepper, then cook for about 4-5 minutes per side for medium-rare, or longer to your desired doneness. Remove from the pan and let rest.
In the same skillet, add the minced garlic, chopped shallot, and rosemary. Sauté for about 1 minute until fragrant.
Add the sliced shiitake mushrooms to the skillet, cooking for about 5 minutes, until they release their moisture and become tender.
Slice the rested steak thinly against the grain.
To assemble, place a slice of steak and a spoonful of the mushroom mixture on each crostini.
Serve immediately and enjoy!

Notes

Storage: Best served fresh, but if you have leftovers, store the crostini components separately. Keep the crostini at room temperature and the steak and mushrooms in the fridge for up to 2 days. Reheat the steak and mushrooms before assembling.

Different Mushrooms: Substitute shiitake mushrooms with portobello or cremini for a different flavor profile.

Cheese Options: Add grated parmesan or crumbled blue cheese for added richness.

Herb Variations: Feel free to substitute rosemary with thyme or parsley.

Prep Time: 15 minutes
Cook Time: 20 minutes
Category: Snack
Method: Stovetop
Cuisine: American