***Puff Pastry with Cremini Mushroom Filling

By CheeseDiva

Quickly became a family favorite in 2007.

Ingredients

• 1-10 “x 10” sheet of puff pastry, thawed and rolled out 1/4" thick
• 1 egg - lightly beaten
• 1/2 stick butter
• 4 c. sliced cremini mushrooms
• 1/4 c. chopped onion
• 1/4 c. ea. dry white wine and creme fraiche
• 2 tbsp. grated Parmesan
• 2 tbsp. chopped fresh chives

Preparation

Step 1

Preheat the oven to 400 degrees F.
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2. Lay pastry on a lightly floured surface. Trim the sides to form an 8-inch square. Cut into 36 squares.
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3. Place on a baking sheet and brush with the egg.
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4. Bake until golden, 10 to 12 minutes. Let cool.
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5. Lower the heat to 350 degrees F.
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6. Heat the butter in a large nonstick skillet over medium-high heat. Add the mushrooms and onions and season with salt and pepper. Cook until the mushrooms begin to brown, 7 to 10 minutes.
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7. Add the wine and cook until the liquid is absorbed, 3 to 5 minutes.
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8. Put the mushrooms, onions, crème fraiche, Parmesan and chives in a food processor. Pulse 3 to 4 times until the mixture is combined but not pureed.
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To Assemble:
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9. Cut each puff-pastry square in half crosswise and fill with about 1 /2 teaspoon of the mushroom mixture.
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10. Bake until warm, about 5 minutes at 350 degrees
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11. Serve Warm