Onion, mushroom and gruyere tartlets

Some days I wake up filled with this mad energy that gets fuelled into baking anything and everything – perfecting new recipes, whipping up tried and tested favorites and generally covering myself and the whole house in flour. Today is not one of those days. Today is one of those days where I want snacks. Easy to make, lazy bones friendly, deeee-flippin-locious snacks. There’s nothing I love more than puff pastry for easy lazy snacks; the pre-made kind of course! Just cut it up, plonk something delicious in the middle and shove it in the oven. A few minutes later you have heaven on a plate, so that’s where this recipe for onion, mushroom and gruyere tartlets comes in.

Onion, mushroom and gruyere tartlets board

I’ve cut my pastry into circles because they are pretty pretty like this, but for the über-lazy and waste-conscious you could simply grab a knife and slice the puff pastry sheet into squares. Tastes just as good I promise!

onion, mushroom and gruyere tartletsOnion, mushroom and gruyere tartlets – Ingredients (Makes 16)

  • 1 tablespoon olive oil
  • 1 large yellow onion, thinly sliced
  • 1 tablespoon unsalted butter
  • 16 ounces white button mushrooms, thinly sliced
  • 1 clove garlic, chopped
  • ½ teaspoon dried thyme
  • Salt and pepper, to taste
  • ¼ cup white wine (can substitute chicken or vegetable broth)
  • 2 sheets puff pastry (thawed according to directions on package)
  • 1 cup shredded Gruyere cheese (can substitute any variety of Swiss cheese)
  • 1 egg + 1 tablespoon water, beaten together (for the egg wash)
  • Handful of parsley, chopped

Onion, mushroom and gruyere tartlets finishedOnion, mushroom and gruyere tartlets – Method

  1. Pre-heat oven to 400⁰F/200⁰C/Gas 6. Place your BrightSpring silicone baking mat on a cookie sheet and set to one side.
  2. Heat the olive oil in a pan then add the onions. Cook over a low heat for around 20 minutes until the onions are lovely and caramelized. Keep an eye on them though – they will burn easily.
  3. Add the butter to the pan and once melted throw in the mushrooms. Saute, stirring occasionally, until the mushrooms are soft and all the liquid has evaporated.
  4. Add the garlic and thyme and continue cooking for around a minute more. Season. Add the wine and scrape the bottom of the pan with a spatula to release all the caramelized bits, and cook until all the liquid has evaporated.
  5. Lie the sheets of puff pastry on a cutting board or knife-proof surface, and cut out 3-inch circles.

I used cookie cutters to do this but it would be easy enough to do by hand with a knife. Again, depends how lazy you are feeling!

  1. Place the pastry circles on your silicone mat, and brush around the edges with the egg wash.
  2. Place a spoonful of the mushroom mixture in the center of each pastry circle. Top with a good sprinkling of the grated gruyere then bake for 15-20 minutes or until the pastry is golden brown.
  3. Eat while still warm and melty. Mmmmmm…

Onion, mushroom and gruyere tartlets plate

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  1. Onion, mushroom and gruyere tartlets - BrightSp... - July 14, 2014

    […] This recipe for onion, mushroom and gruyere tartlets is perfect for an easy snack. Pre-made puff pastry makes it so easy for those can't-be-bothered days!  […]

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