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+ servings
Close-up of baked tarts with melted cheese peeking through caramelized edges.

Plum & Cheese Puff Pastry Tarts

Prep Time 15 minutes
Cook Time 22 minutes
These Plum & Cheese Puff Pastry Tarts feature flaky pastry topped with sweet plums, savory cheese, caramelized onions, and herbs—perfect as an appetizer or elegant brunch dish.
12 Servings

Ingredients

  • 1 tablespoon olive oil
  • 1 cup red onion thinly sliced
  • 2 sprigs fresh thyme
  • 1 tablespoon unsalted butter
  • 2 to 3 red or white plums pitted and thinly sliced
  • 1 teaspoon granulated sugar
  • 1 teaspoon balsamic vinegar
  • 1 sheet frozen puff pastry thawed
  • 2 tablespoons mascarpone cheese
  • 2 ounces goat cheese ricotta, or cream cheese
  • 3 tablespoons fresh basil finely chopped
  • 1 egg beaten with 1 teaspoon water (for egg wash)
  • Honey for drizzling
  • Salt to taste

Instructions
 

Preheat the Oven:

  1. Set the oven to 400°F (200°C). Line a baking sheet with parchment paper for easy cleanup.

Prepare the Puff Pastry:

  1. Unfold the thawed puff pastry and cut it into six even rectangles. Arrange the pieces on the prepared baking sheet. Lightly brush each tart with the prepared egg wash. Bake for 20 to 22 minutes, or until golden brown and fully puffed. Remove from the oven and allow to cool slightly.

Sauté the Onions:

  1. In a medium skillet over medium heat, warm the olive oil. Add the red onions and sauté until softened, approximately 3 to 5 minutes. Add fresh thyme and continue to cook for an additional minute. Remove the onions from the skillet and set aside.

Cook the Plums:

  1. In the same skillet, melt the butter over low heat. Add the sliced plums and sprinkle with sugar. Cook gently until the plums soften, about 2 to 3 minutes. Add the balsamic vinegar and stir to coat. Remove from heat and let cool slightly.

Prepare the Cheese Mixture:

  1. In a small bowl, combine mascarpone cheese with your choice of goat cheese, ricotta, or cream cheese. Season lightly with salt and stir until smooth.

Assemble the Tarts:

  1. If necessary, gently press down the centers of the puff pastry to create a well. Spread a layer of the cheese mixture on each tart. Top with caramelized onions, followed by the cooked plums. Drizzle each tart with a touch of honey and sprinkle with chopped basil.

Serve Immediately:

  1. These tarts are best served warm or at room temperature as an appetizer, brunch option, or elegant snack.

Notes

To make this recipe gluten-free, substitute the regular puff pastry with a certified gluten-free puff pastry alternative. Ensure all other ingredients, including cheese and balsamic vinegar, are labeled gluten-free, as cross-contamination or hidden additives can vary by brand.
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