Caramelized onion and Gruyère tartlets you can’t resist!
Deliciously flaky tartlets filled with sweet caramelized onions and rich Gruyère cheese, perfect for appetizers or snacks.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 12 tartlets 1x
- Category: Appetizer
- Method: Baking
- Cuisine: French
- Diet: Vegetarian
Ingredients
Scale
- 1 sheet of puff pastry
- 2 large onions, thinly sliced
- 2 tablespoons olive oil
- 1 tablespoon balsamic vinegar
- 1 cup Gruyère cheese, grated
- Salt and pepper to taste
- Fresh thyme for garnish (optional)
Instructions
- Preheat the oven to 400°F (200°C).
- In a large skillet, heat olive oil over medium heat and add the sliced onions.
- Cook the onions, stirring occasionally, until they are caramelized, about 20-25 minutes.
- Add balsamic vinegar, salt, and pepper to the onions and mix well.
- Roll out the puff pastry and cut it into small circles to fit your tartlet pans.
- Place the pastry circles in the tartlet pans and fill each with the caramelized onion mixture.
- Top with grated Gruyère cheese.
- Bake in the preheated oven for 15-20 minutes or until the pastry is golden brown and the cheese is bubbly.
- Garnish with fresh thyme if desired and serve warm.
Notes
- For a vegetarian option, ensure the puff pastry is made without animal products.
- These tartlets can be made ahead of time and reheated before serving.
- Feel free to add other herbs or spices to enhance the flavor.
Nutrition
- Serving Size: 1 tartlet
- Calories: 150
- Sugar: 2g
- Sodium: 200mg
- Fat: 10g
- Saturated Fat: 4g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 15mg