Upside-Down Mushroom Tartlets

Prep Time:
20 mins
Total Time:
45 mins

Cut these into quarters for pretty yet simple hors d'oeuvres, or serve them with a crunchy green salad for lunch or a light supper.


  • 1 sheet frozen puff pastry, thawed and cut into six 3-inch rounds

  • 1 tablespoon extra-virgin olive oil, plus more for muffin pan

  • 1 large shallot, diced small

  • 1 pound cremini mushrooms, sliced

  • Coarse salt and ground pepper

  • 2 teaspoons fresh thyme leaves, plus more for serving

  • ¾ cup grated Gruyere cheese (2 ounces)


  1. Preheat oven to 375 degrees. Place puff pastry rounds in a single layer on a parchment-lined baking sheet and refrigerate while mushrooms cook. In a large skillet, heat oil over medium-high. Add shallot and cook, stirring, until soft, 3 minutes. Add mushrooms and cook, stirring, until soft and browned, 10 minutes. Season with salt and pepper. Stir in thyme and remove skillet from heat.

  2. Lightly oil 6 jumbo muffin cups. Divide mushroom mixture and cheese among cups, then top each with a chilled pastry round. Bake until pastry is golden brown and puffed, about 25 minutes, rotating pan halfway through.

  3. Run a small knife around cups to loosen tartlets. Place a rimmed baking sheet or large plate over pan and invert to release tartlets. Sprinkle with more thyme. Serve warm.

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