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Mushroom Puff Pastry

Irresistibly Cheesy Mushroom Puff Pastry Bites to Wow Your Guests

These Mushroom Puff Pastry bites are savory, cheesy, and perfect for any gathering, ensuring memorable moments with every bite.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Appetizers
Cuisine American
Servings 12 bites
Calories 200 kcal

Equipment

  • skillet
  • Baking Sheet
  • round cutter
  • Oven

Ingredients
  

For the Pastry

  • 1 sheet Puff Pastry Ensure it's chilled for best rise.
  • 1 large Egg For wash; can substitute with milk for vegan option.

For the Filling

  • 2 tablespoons Olive Oil Can substitute with butter.
  • 2 medium Yellow Onions Sliced.
  • 8 ounces Baby Bella Mushrooms Sliced; can switch to cremini or button mushrooms.
  • 2 cloves Minced Garlic Fresh delivers best flavor.
  • 1 teaspoon Fresh Thyme Dried thyme can be used, just use less.
  • to taste Kosher Salt Essential for seasoning.
  • to taste Black Pepper Essential for seasoning.
  • 8 ounces Gruyère Cheese Can substitute with Swiss or cheddar.
  • 1 tablespoon Whole-Grain Mustard Optional; adds tang.

Instructions
 

Preparation

  • Heat olive oil in a skillet over medium-low heat, add sliced onions with a sprinkle of kosher salt, and caramelize for about 25 minutes until golden.
  • Add sliced mushrooms to the skillet and sauté for about 5 minutes until tender. Mix in minced garlic, thyme, and black pepper, then combine with caramelized onions and fold in Gruyère cheese until melted.
  • Roll out chilled puff pastry on a floured surface and cut out 2-inch circles.
  • Place pastry rounds on a lined baking sheet, brush with beaten egg, add mustard if using, and top with the mushroom mixture.
  • Bake in a preheated oven at 400°F for about 25 minutes until golden brown, turning pans halfway through.

Notes

Keep puff pastry cold until ready to use and avoid overfilling each pastry to ensure even cooking.
Keyword Cheesy Bites, Holiday Appetizer, Mushroom Appetizer, Mushroom Puff Pastry, Party Bites, Puff Pastry Appetizer