Onion Tart is a classic dish that showcases the sweet and savory flavors of caramelized onions. This recipe yields a delicious tart that serves six people, making it an ideal choice for a family meal or gathering. The pastry is made with self-raising flour, butter, and a pinch of salt, resulting in a light and crispy crust. The filling consists of sliced onions that are sweated in boiling water to enhance their sweetness, along with diced streaky bacon, butter, dried mixed herbs, and seasonings. A mixture of egg yolks and double cream adds a rich and creamy texture to the filling. The tart is baked until golden and set, creating a delightful combination of flavors and textures. Whether served as a main course or as part of a buffet, Onion Tart is a versatile and satisfying dish that will surely please onion lovers and tart enthusiasts alike.
INGREDIENTS:
For the pastry:
- 25g/1oz self-raising flour
- 50g/2oz butter
- Pinch of salt
For the filling:
- 6 onions, sliced
- 150ml/5fl oz boiling water
- 4 rashers streaky bacon, diced
- 50g/2oz butter
- 1 teaspoon dried mixed herbs
- 2 egg yolks
- 50ml/2fl oz double cream
- Salt and freshly ground black pepper
PREPARATIONS:
- Preheat the oven to 180°C/350°F/Gas mark 4. Grease a medium-sized baking tin.
- To make the pastry, sift the self-raising flour into a bowl and rub in the butter until the mixture resembles breadcrumbs. Add a pinch of salt. Gradually add 50ml/2fl oz of water, mixing until the dough comes together in a ball.
- Roll out the pastry and use it to line the bottom of the greased baking tin.
- For the filling, sweat the sliced onions in the boiling water for 5 minutes. Drain the onions.
- In a separate pan, fry the diced streaky bacon in a little butter until crispy. Add the remaining butter, drained onions, dried mixed herbs, and season with salt and freshly ground black pepper. Cook the mixture for 15 minutes, allowing the flavors to meld together.
- In a small bowl, beat the egg yolks and double cream together until well combined. Add this mixture to the onion mixture and stir until evenly incorporated.
- Pour the filling into the prepared baking tin with the pastry.
- Bake the tart in the preheated oven for 40-45 minutes, or until the tart is golden and set.
- Serve the Onion Tart hot, allowing the flavors to shine.
YIELD:
- Serves 6
SPECIAL INSTRUCTIONS:
- Take care when rolling out the pastry to ensure it fits the baking tin properly and creates a sturdy base for the tart.
- Sweating the onions in boiling water helps to soften them and enhance their natural sweetness.
- Ensure the bacon is cooked until crispy to add texture and flavor to the filling.
- Season the filling with salt and freshly ground black pepper according to taste.
- Preheating the oven to the specified temperature ensures even baking and a nicely browned tart.
TIPS:
- Onion Tart can be enjoyed as a delicious main course or served as part of a buffet or brunch spread.
- Serve the tart with a fresh green salad or roasted vegetables for a complete and satisfying meal.
- Leftover Onion Tart can be refrigerated and reheated gently in the oven to maintain its flavors and crispness.
Onion Tart is a classic and flavorful dish that highlights the sweet and savory nature of caramelized onions. With its light and crispy pastry crust and a rich filling of onions, bacon, herbs, and cream, this tart is a delightful combination of flavors and textures. The recipe provided yields a tart that serves six people, making it perfect for a family meal or gathering.
To prepare the tart, the pastry is made by combining self-raising flour, butter, and a pinch of salt. The dough is rolled out and used to line a greased baking tin, providing a sturdy base for the tart. The filling is prepared by sweating sliced onions in boiling water, then combining them with crispy diced streaky bacon, butter, dried mixed herbs, egg yolks, double cream, and seasonings. This mixture is poured into the prepared pastry case and baked until golden and set.
Onion Tart can be enjoyed as a main course, accompanied by a fresh green salad or roasted vegetables, or it can be served as part of a buffet or brunch spread. The tart can be served hot, allowing the flavors to shine and the textures to delight. Leftover tart can be refrigerated and gently reheated in the oven to maintain its flavors and crispness.
In conclusion, Onion Tart is a versatile and delicious dish that is sure to please both onion enthusiasts and tart lovers. Its combination of sweet and savory flavors, along with its crispy pastry crust, makes it a satisfying choice for any occasion. Whether served as a main course or as part of a spread, Onion Tart is a delightful addition to the table.




