Caramelized Onion and Cheese Tarts

Here’s a delicious take on Caramelized Onion and Cheese Tarts—a savory treat that’s rich, flaky, and packed with flavor. 🧅🧀 Whether you’re hosting brunch or just craving something indulgent, this tart delivers.

🧑‍🍳 Ingredients

  • 1 sheet puff pastry, thawed
  • 2 large onions, thinly sliced
  • 1 tbsp butter + 1 tbsp olive oil
  • 1 tbsp sugar (optional, for extra sweetness)
  • Salt & pepper, to taste
  • ½ cup grated cheese (cheddar, Gruyère, or goat cheese work beautifully)
  • 1 egg, beaten (for egg wash)
  • Fresh thyme or rosemary, optional garnish

🔥 Instructions

  1. Caramelize the onions: Heat butter and oil in a pan over medium-low. Add onions, sugar, salt, and pepper. Cook slowly for 25–30 minutes until deep golden and jammy.
  2. Prep the pastry: Preheat oven to 400°F (200°C). Roll out puff pastry and score a 1 cm border around the edges. Prick the center with a fork.
  3. Assemble: Spread caramelized onions over the center. Sprinkle cheese generously. Brush edges with egg wash.
  4. Bake: Bake for 20–25 minutes until pastry is puffed and golden.
  5. Garnish & serve: Top with fresh herbs and serve warm or at room temp.

Want to elevate it further? Try adding balsamic vinegar to the onions, mixing cheeses (like blue and cream cheese), or topping with arugula and pine nuts after baking. Let me know if you’d like a version with a specific cheese or crust style!

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