Recipe: Appetizing Easy Caramelized Onion Tart

Easy Caramelized Onion Tart. This French-inspired Caramelized Onion Tart is bursting with flavor from juicy, caramelised onions, savory herbs, and sharp cheddar cheese. It's simple to make with a homemade shortcut pastry, and pretty enough to serve at a dinner party. Easy tart with caramelized onions ready for the oven.

Thankfully this does not take long at all, at which point you can cut it into small squares and pass it around to your guests. In a medium sauce pan, melt the butter on medium heat. Add the onions, white wine, sugar, thyme, salt and pepper and cook the onions until softened and golden brown. You can have Easy Caramelized Onion Tart using 12 ingredients and 3 steps. Here is how you achieve it.

Ingredients of Easy Caramelized Onion Tart

1. Prepare of Crust.
2. It's 250 g of flour.
3. It's 1 tsp of salt.
4. You need 1 tsp of baking powder.
5. Prepare 80 ml of olive oil (or 40ml olive oil + 40ml vegetable oil).
6. It's 100 ml of warm water.
7. It's of Filling.
8. You need 6 of big onions, thinly sliced.
9. You need 30 g of margarine or vegan butter.
10. It's 2 tsp of sugar.
11. You need 1 tsp of red wine vinegar (optional).
12. Prepare of (to taste) salt, pepper, thyme.

In a pan over medium-low heat, melt butter and add the sliced onions. Cook onions, stirring occasionally until colored a deep caramelized brown. Line a sheet tray with parchment and lay out puff pastry. Add onions and evenly spread them out making sure to reach the far corners.

Easy Caramelized Onion Tart step by step

1. For the crust: combine all ingredients in a Tupperware container. Close the lid and shake it vigorously until dough comes together. Press the ball of dough in a tart pan lined with baking paper. Pierce with a fork.
2. For the filling: heat a small amount of oil in a wide pan over medium low heat. Add the onions and cook for around 20min, until jammy but not browned! Season to taste, add sugar, vinegar and butter.
3. Pour the filling into the crust and bake in a 180°C/350°F oven for 30min or until onions are caramelized and the crust is a bit golden. I bake this tart on the lower oven rack to prevent onions from burning.

Remove from heat and set aside. Line a baking sheet with a sheet of parchment paper. Using Up Your Easy Caramelized Onions. Ok. so now, you've made the browned onions, what if you underestimated how much you actually needed- the thing is, you probably just got yourself a lot of caramelized onions, and you don't know what to do with them. Spread the mustard over the base of the tart and pile on the onions, spreading them out to meet the edge.