Description
A delightful and savory Caramelized Onion Tart recipe featuring a golden puff pastry base topped with rich caramelized onions, fragrant thyme, and gooey Gruyère cheese. This French-inspired dish is perfect as an appetizer or light meal.
Ingredients
Scale
Puff Pastry:
- 1 sheet puff pastry (thawed)
Caramelized Onions:
- 2 tablespoons olive oil
- 2 tablespoons unsalted butter
- 4 large yellow onions (thinly sliced)
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried)
Additional Ingredients:
- 1/2 cup grated Gruyère cheese (or Swiss)
- 1 egg (beaten, for egg wash)
- Fresh thyme or arugula for garnish (optional)
Instructions
- Preheat the oven: Preheat the oven to 400°F (200°C) and line a baking sheet with parchment paper.
- Caramelize Onions: In a skillet, cook onions in olive oil and butter until golden and caramelized. Season with salt, pepper, and thyme.
- Prepare Puff Pastry: Unroll puff pastry on the baking sheet, score a border, and prick the center. Spread caramelized onions on the pastry, add cheese, and brush the edges with egg wash.
- Bake: Bake for 20-25 minutes until golden. Let cool slightly, then garnish with thyme or arugula.
Notes
- You can prepare the caramelized onions up to 3 days in advance and store them in the fridge.
- Try adding goat cheese or balsamic glaze for a flavor variation.
Nutrition
- Serving Size: 1 slice
- Calories: 280
- Sugar: 5g
- Sodium: 230mg
- Fat: 19g
- Saturated Fat: 8g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 22g
- Fiber: 2g
- Protein: 5g
- Cholesterol: 35mg
