Description
A quick and easy puff pastry tart topped with caramelized onions and Gruyère cheese, perfect for busy weeknights.
Ingredients
Scale
- 1 sheet puff pastry, thawed
- 2 large onions, thinly sliced
- 2 tablespoons olive oil
- Salt and pepper to taste
- 1 cup Gruyère cheese, grated
- 1 tablespoon fresh thyme leaves
- 1 egg, for egg wash
Instructions
- Preheat the oven to 400°F (200°C).
- In a skillet, heat the olive oil over medium heat. Add the sliced onions and salt; cook until golden brown and caramelized (15-20 minutes).
- Roll out the puff pastry on a floured surface to fit a tart pan or baking sheet.
- Spread the caramelized onions evenly over the pastry, then sprinkle with Gruyère cheese and thyme.
- Beat the egg and brush the edges of the pastry with it.
- Bake in the preheated oven for 20-25 minutes until the pastry is golden brown.
- Let cool for a minute, slice, and serve warm.
Notes
This tart is customizable; feel free to add other vegetables or cheese as desired.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Category: Main Course
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Sugar: 5g
- Sodium: 400mg
- Fat: 12g
- Saturated Fat: 4g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 3g
- Protein: 15g
- Cholesterol: 30mg