16 Servings
Total Time: 1hr
Collection: Appetizers
Shared By Katie Heathershaw

Caramelized Onion, Mushroom & Gruyere Tartlets

Ingredients

  • 1tablespoonolive oil
  • 1large yellow onion(thinly sliced)
  • 1tablespoonunsalted butter
  • 16ounceswhite button mushrooms(thinly sliced)
  • 1clovegarlic(chopped)
  • ½teaspoondried thyme
  • Salt and pepper
  • (to taste)
  • ¼cupwhite wine(can substitute chicken or vegetable broth)
  • 2sheets puff pastry(thawed according to directions on package)
  • 1cupshredded Gruyere cheese(can substitute any variety of Swiss cheese)
  • 1egg + 1 tablespoon water(beaten together (for the egg wash))
  • Handful of parsley
  • (chopped)
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