French Caramelized Onion Tart Recipe - Easy Appetizer

French Caramelized Onion Tart Recipe - Easy Appetizer

tasteofcook.com

Make this elegant Caramelized Onion Tart with puff pastry and Gruyere cheese. Perfect for parties and gatherings, this French-inspired appetizer is sure to impress!

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Cooking tools:

  • Pan
  • Stove
  • Chef's knife
  • Cutting board
  • Measuring spoon
  • Oven
  • Parchment paper
  • Baking sheet
  • Fork
  • Pastry brush
  • Cooling rack
  • Cutting knife

Ingredients

  • 2 sheets puff pastry, thawed overnight in refrigerator
  • 4 cups sweet yellow onions, sliced
  • 1 tablespoon olive oil
  • 2 teaspoons brown sugar
  • 1/2 teaspoon kosher salt
  • 1 cup Gruyere cheese, shredded
  • 2 teaspoons fresh thyme, destemmed and minced
  • 2 tablespoons heavy cream

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