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Frozen Puff Pastry Mushroom Tart

This savory tart uses frozen puff pastry, mushrooms, and caramelized onions, topped with thyme for a luxurious, easy-to-make dish.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Main Dish
Cuisine French
Servings 6
Calories 270 kcal

Ingredients
  

Main

  • 1 sheet frozen puff pastry thawed
  • 1 tablespoon olive oil
  • 1 large onion thinly sliced
  • 2 cloves garlic minced
  • 300 g mixed mushrooms sliced (shiitake, cremini, button)
  • 1 teaspoon fresh thyme leaves
  • Salt and black pepper to taste
  • 1/4 cup crumbled goat cheese
  • 1/4 cup grated Parmesan cheese
  • 1 egg beaten

Instructions
 

  • Preheat oven to 400°F (200°C). Roll out puff pastry into a 12x9 inch rectangle on floured surface. Transfer to a baking sheet with parchment.
  • Heat olive oil in a skillet over medium-high heat. Add onions and cook until caramelized, about 10 minutes. Add garlic and cook for 1 minute.
  • Add mushrooms to skillet, sauté until golden and moisture released, about 8 minutes. Stir in thyme, season with salt and pepper. Remove from heat.
  • Spread mushroom mixture over pastry, leaving a 1-inch border. Top with goat cheese and Parmesan.
  • Fold pastry edges over to create a border. Brush with beaten egg.
  • Bake until pastry is puffed and golden, about 20 minutes. Garnish with extra thyme, cool before slicing.

Notes

For a vegan version, replace cheeses with vegan alternatives and use olive oil instead of egg on crust. Add toppings like truffle oil or toasted pine nuts for extra flavor.