Description
A simple and delicious caramelized onion tart perfect for any occasion.
Ingredients
Scale
- 2 large onions, thinly sliced
- 2 tbsp olive oil
- 1 tbsp butter
- 1 tsp sugar
- 1 tsp balsamic vinegar
- 1 sheet puff pastry, thawed
- 1/2 cup grated Gruyère cheese
- 1 tsp thyme leaves
- Salt and pepper to taste
Instructions
- Heat olive oil and butter in a pan over medium heat.
- Add onions, sugar, and a pinch of salt. Cook until golden brown, about 20 minutes.
- Stir in balsamic vinegar and cook for another 2 minutes.
- Preheat oven to 375°F (190°C).
- Roll out puff pastry and place on a baking sheet.
- Spread caramelized onions evenly over the pastry.
- Sprinkle cheese and thyme on top.
- Bake for 20-25 minutes until golden and crisp.
- Let cool slightly before slicing.
Notes
- Use a non-stick pan for easier onion caramelization.
- Store leftovers in an airtight container for up to 2 days.
- Serve warm for the best flavor.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Appetizer
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 slice
- Calories: 220
- Sugar: 4g
- Sodium: 180mg
- Fat: 14g
- Saturated Fat: 5g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 2g
- Protein: 5g
- Cholesterol: 15mg