Flaky Caramelized Onion Tart with Gruyère Cheese

Flaky Caramelized Onion Tart with Gruyère Cheese

recipesbylena.com

This savory tart combines sweet caramelized onions with a buttery crust and creamy cheese filling for a dish that's both rustic and sophisticated.

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Cooking tools:

  • Tart pan
  • Rolling pin
  • Mixing bowl
  • Plastic wrap
  • Refrigerator
  • Stove
  • Oven
  • Skillet
  • Chef's knife
  • Cutting board
  • Whisk
  • Grater
  • Fork

Ingredients

  • 200 g all-purpose flour
  • 100 g cold unsalted butter, cut into cubes
  • 1 egg
  • Pinch of salt
  • 1-2 tbsp cold water
  • 3-4 large onions, about 500 g, thinly sliced into half-rings
  • 30 g unsalted butter
  • 100 ml heavy cream (20-30%)
  • 2 eggs
  • 100 g hard cheese, grated (e.g., Gruyère, Parmesan, or Cheddar)
  • Salt
  • pepper
  • A pinch of nutmeg (optional)

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