Description
Golden French Onion Tarte Tatin with sweet caramelized onions and buttery puff pastry.
Ingredients
4 medium yellow onions, thinly sliced
2 tbsp butter
1 tbsp olive oil
1 tsp sugar
1/2 tsp salt
1 tsp fresh thyme leaves
1 tbsp balsamic vinegar
1 sheet puff pastry, thawed
1/2 cup grated Gruyère cheese (optional)
Fresh thyme for garnish
Instructions
1. Preheat oven to 400°F (200°C).
2. In ovenproof skillet, heat butter and olive oil; add onions and salt.
3. Cook 10 minutes until softened.
4. Add sugar; continue cooking 20–25 minutes until golden and caramelized.
5. Add balsamic vinegar and thyme; cook 1 minute, then remove from heat.
6. Sprinkle cheese over onions if using.
7. Top with puff pastry, tucking edges in.
8. Cut small slits for steam.
9. Bake 25–30 minutes until golden.
10. Cool 5 minutes, invert onto plate, and serve.
Notes
Use low heat to avoid burning onions.
Let rest before flipping for neat layers.
Serve warm or at room temperature.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Main Dish
- Method: Baking
- Cuisine: French