Beefsteak Tomato Tart with Caramelized Onions and Thyme
Beefsteak Tomato Tart with Caramelized Onions and Thyme
Indulge in the rich flavors of summer with this Beefsteak Tomato Tart, featuring caramelized onions and fresh thyme. This rustic and savory dish is perfect for any occasion, from a cozy family dinner to an elegant gathering. The combination of sweet onions, juicy tomatoes, and aromatic herbs creates a symphony of flavors that will leave your taste buds craving more.
For more summer-inspired recipes, check out this Heirloom Tomato Ricotta Tart or this Peach Tomato Caprese Salad.
Ingredients
- 1 sheet puff pastry, thawed
- 2 large beefsteak tomatoes, sliced
- 2 large onions, thinly sliced
- 2 tablespoons olive oil
- 1 tablespoon butter
- 1 teaspoon sugar
- 2 sprigs fresh thyme, leaves removed
- Salt and pepper to taste
- 1 cup grated Gruyère cheese
- 1 egg, beaten (for egg wash)
Step-by-Step Instructions
1. Caramelize the Onions
Heat the olive oil and butter in a large skillet over medium heat. Add the sliced onions and cook, stirring occasionally, until they begin to soften. Sprinkle with sugar and continue cooking, stirring frequently, until the onions are golden brown and caramelized. This should take about 20-25 minutes. Stir in the thyme leaves and season with salt and pepper. Set aside to cool.
2. Prepare the Puff Pastry
Preheat your oven to 375°F (190°C). Roll out the puff pastry on a lightly floured surface to fit your tart pan. Transfer the pastry to the pan and trim any excess edges. Prick the base of the pastry with a fork to prevent it from puffing up during baking.
3. Assemble the Tart
Spread the caramelized onions evenly over the puff pastry. Arrange the tomato slices on top of the onions, slightly overlapping them. Sprinkle the grated Gruyère cheese over the tomatoes. Brush the edges of the pastry with the beaten egg to create a golden crust.
4. Bake the Tart
Place the tart in the preheated oven and bake for 25-30 minutes, or until the pastry is golden brown and the cheese is melted and bubbly. Remove from the oven and let it cool slightly before serving.
Expert Tips
- For extra flavor, drizzle a little balsamic glaze over the tart before serving.
- Use a mandoline slicer to ensure even slices of tomatoes and onions.
- If you don’t have Gruyère cheese, you can substitute it with Swiss or Parmesan.
- To make this dish ahead of time, prepare the tart up to the baking step and refrigerate. Bake just before serving.
FAQ
Can I use other types of tomatoes?
Yes, you can use heirloom tomatoes or Roma tomatoes, but beefsteak tomatoes are ideal for their meaty texture and rich flavor.
How do I store leftovers?
Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F (175°C) for about 10 minutes before serving.
Can I freeze this tart?
It’s best to enjoy this tart fresh, but you can freeze it before baking. Assemble the tart, wrap it tightly in plastic wrap, and freeze for up to 1 month. Bake directly from frozen, adding a few extra minutes to the baking time.
For more delicious tart recipes, explore this Yummy Tomato Tart or this Classic Tomato Basil Bruschetta.
Beefsteak Tomato Tart with Caramelized Onions and Thyme
Ingredients
Method
- Heat the olive oil and butter in a large skillet over medium heat. Add the sliced onions and cook, stirring occasionally, until they begin to soften. Sprinkle with sugar and continue cooking, stirring frequently, until the onions are golden brown and caramelized. This should take about 20-25 minutes. Stir in the thyme leaves and season with salt and pepper. Set aside to cool.
- Preheat your oven to 375°F (190°C). Roll out the puff pastry on a lightly floured surface to fit your tart pan. Transfer the pastry to the pan and trim any excess edges. Prick the base of the pastry with a fork to prevent it from puffing up during baking.
- Spread the caramelized onions evenly over the puff pastry. Arrange the tomato slices on top of the onions, slightly overlapping them. Sprinkle the grated Gruyère cheese over the tomatoes. Brush the edges of the pastry with the beaten egg to create a golden crust.
- Place the tart in the preheated oven and bake for 25-30 minutes, or until the pastry is golden brown and the cheese is melted and bubbly. Remove from the oven and let it cool slightly before serving.
