french onion tart
This French onion tart is a delicious and savory dish, perfect as an appetizer or a light meal. It features caramelized onions layered over a crispy pastry base, topped with creamy cheese and herbs, giving you a delightful combination of flavors and textures.
Equipment
- 1 oven
- 1 baking sheet
- 1 small skillet
- 1 mixing bowl
- 1 rolling pin
- 1 cutting board
Ingredients
- 1 sheet puff pastry About 250g
- 4 large onions Approximately 1 kg, thinly sliced
- 2 tablespoons olive oil
- 1 tablespoon unsalted butter
- 2 cloves garlic Minced
- 100 g Gruyère cheese Grated
- 100 g goat cheese Or feta cheese, crumbled
- 2 teaspoons fresh thyme leaves Or 1 teaspoon dried thyme
- Salt To taste
- Pepper To taste
- 1 egg for egg wash
Instructions
- Preheat the oven to 200°C (400°F).
- In a skillet, heat the olive oil and butter over medium heat. Add the sliced onions and cook, stirring frequently, for about 20-25 minutes until they are caramelized and golden brown. Add the minced garlic during the last 2 minutes of cooking.
- Season the caramelized onions with salt, pepper, and thyme. Remove from heat and let it cool slightly.
- Roll out the puff pastry on a lightly floured surface to fit your baking sheet. Place the rolled pastry onto the baking sheet.
- Spread the caramelized onion mixture evenly over the puff pastry, leaving a border of about 1 inch around the edges.
- Sprinkle the grated Gruyère cheese and crumbled goat cheese on top of the onions.
- Fold the edges of the pastry over the filling to create a border, and brush the edges with the beaten egg for a golden finish.
- Bake in the preheated oven for 25-30 minutes, or until the pastry is puffed up and golden brown.
- Remove the tart from the oven, let it cool for a few minutes, then slice and serve warm.
Notes
You can add a splash of balsamic vinegar to the onions for added flavor.
Serve with a side salad for a complete meal.
This tart can be made in advance and reheated before serving.