Description
Enjoy these delicious Caramelized Onion Tarts with a flaky puff pastry base topped with sweet caramelized onions and gooey cheese. Perfect as an appetizer or snack for any occasion!
Ingredients
Scale
Puff Pastry:
- 1 sheet frozen puff pastry (thawed)
Caramelized Onions:
- 2 large yellow onions (thinly sliced)
- 1 tablespoon olive oil
- 1 tablespoon unsalted butter
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried)
Additional:
- 1/2 cup shredded Gruyère or Swiss cheese
- 1 egg (beaten, for egg wash)
- Optional: balsamic glaze or chopped parsley for garnish
Instructions
- Preheat oven and prepare baking sheet: Preheat oven to 400°F and line a baking sheet with parchment paper.
- Caramelize onions: In a skillet, cook onions with oil, butter, salt, pepper, and thyme until caramelized.
- Prepare puff pastry: Roll out pastry, cut into rectangles, score borders, and prick centers.
- Assemble tarts: Top pastries with onions and cheese, then brush edges with egg wash.
- Bake: Bake tarts until golden brown.
- Serve: Cool slightly, garnish if desired, and serve.
Notes
- Enjoy warm or at room temperature.
- Add balsamic vinegar for a richer flavor.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Appetizer, Snack
- Method: Baking
- Cuisine: French-Inspired
Nutrition
- Serving Size: 1 tart
- Calories: 190
- Sugar: 4g
- Sodium: 200mg
- Fat: 13g
- Saturated Fat: 6g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 25mg
