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Mushroom and Gruyère Crostini Recipe

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4.7 from 63 reviews

Mushroom and Gruyère Crostini brings together crispy, buttery baguette slices topped with melted Gruyère cheese and savory sautéed cremini mushrooms enhanced with soy sauce, red cooking wine, and thyme. This elegant appetizer is perfect for entertaining or a flavorful snack.

Ingredients

For the Crostini

  • 16-20 ounces French Baguette, sliced ½ inch diagonally
  • 3 tablespoons Butter, melted
  • 1 teaspoon Garlic Salt
  • 4 ounces Gruyère Cheese, sliced or shredded

For the Mushroom Topping

  • 8 ounces Cremini (Baby Bella) Mushrooms, sliced
  • 3 tablespoons Butter
  • 1 tablespoon Soy Sauce
  • 1 tablespoon Red Cooking Wine
  • ½ teaspoon Thyme

Instructions

  1. Preheat Oven: Preheat your oven to 400℉ to prepare for toasting the baguette slices and melting the cheese.
  2. Prepare Baguette Slices: Slice the French baguette into ½ inch diagonal pieces. Arrange them in a single layer on a baking sheet to ensure even cooking.
  3. Butter and Cheese: Melt 3 tablespoons of butter with garlic salt. Brush this flavorful mixture generously over the top of each baguette slice. Then, add slices or shreds of Gruyère cheese onto each piece.
  4. Bake Crostini: Place the baking sheet in the oven and bake for 4-5 minutes, until the cheese is melted and slightly bubbly, and the bread is toasted.
  5. Cook Mushrooms: While the crostini bakes, melt the remaining 3 tablespoons butter in a large skillet over medium-high heat. Add the sliced mushrooms and sauté for 5-7 minutes until tender and lightly browned.
  6. Add Flavorings: Stir in the red cooking wine, soy sauce, and thyme to the mushrooms. Cook for an additional 1-2 minutes to meld the flavors and evaporate some liquid.
  7. Assemble Crostini: Once the crostini are out of the oven, top each cheesy bread slice with a spoonful of the sautéed mushroom mixture.
  8. Serve: Serve the mushroom and Gruyère crostini warm as an elegant appetizer or snack.

Notes

  • You can use any crusty bread if French baguette is unavailable.
  • Gruyère can be substituted with Swiss or mozzarella cheese for a different flavor profile.
  • For a vegetarian version, ensure the red cooking wine is vegan-friendly or omit and substitute with vegetable broth.
  • Adding fresh parsley or chives as garnish adds a fresh herbal note.
  • This recipe can be doubled for larger gatherings.

Find it online: https://mealoria.com/mushroom-and-gruyere-crostini-recipe/