Caramelised onion tart with goats cheese will wow your taste buds! The balsamic drenched onions are divine! Top with a basil pesto for a finishing touch!
Looking for an easy picnic lunch, an elegant dish for a ladies night in, or something different for your next tailgate party? You’ll love how easy this flavorful savory tart is. Packed with balsamic marinated onions cooked to a jam like consistency and topped with a delicious creamy goat cheese mixture, this tart is rustic yet elegant.
Caramelised Onion Tart
The following content was originally published in 2016 and was compensated by Collective Bias, Inc. and its advertiser, SIMI Winery. All opinions are mine alone. The following content is intended for readers who are 21 or older.
The first time I had a caramelized balsamic onion and goat cheese tart, I fell in love. It was in a Scottish pub, just outside the Cairngorms. It was absolutely delicious with it’s sweet cooked onions in the balsamic glaze, the tart goat cheese leveling things out with a little pesto to finish it out. It was a perfectly filling dish right after our adventure feeding the wild reindeer. When I was looking for easy picnic, tailgate, or evening concert meals, I thought of this tart immediately. There is something really “adult" about eating a savory tart. I love that I can make this ahead, and it’s just as good cold as it is hot out of the oven.
To start this recipe, grab your favorite tart shell from the grocery store, or better yet, make your favorite homemade tart recipe. I used my favorite pie crust recipe and used a standard tart pan. If you wanted a more rustic look, and less hassle, but puff pastry sheets. Let them come to room temperature and roll out to the size you'd like.
For the onion and cheese tart look for nice medium sized red onions.
The hardest part is chopping onions while your eyes are watering! Slice them in long strands, but thinly.
Begin to sweat the onions down in a large saute pan. After about 10 mins, you’ll see the onions start to caramelize on their own, and your house will smell divine! Sprinkle on the brown sugar and balsamic, take a big whiff of that wonderful smell, and continue sautéing until the onions become almost like a jelly or chutney type consistency.
While your onions are sautéing, begin making the cheese topping.
After about 10 mins, you’ll see the onions start to caramelize on their own, and your house will smell divine! Sprinkle on the brown sugar and balsamic, take a big whiff of that wonderful smell, and continue sautéing until the onions become almost like a jelly or chutney type consistency.
While your onions are sautéing, begin making the cheese topping. Mix together the egg, goat cheese, thyme, and salt and pepper with a fork. Once incorporated, slowly add in the milk to achieve a creamy consistency. If your goat cheese is really soft, you may not need as much milk.
Begin layering your tart, starting with the balsamic onions. I blind cooked my shell since it was homemade, but most store bought shells won’t require this. I like to put my tart pan on a baking sheet to minimize any leaks.
Next, gently layer the goat cheese mixture on top. Bake as directed. Let cool and release from tart pan. Serve warm or chilled.
I topped my tart with a heaping spoonful of pesto, and sprigs of thyme. There is something so elegant about a tart shell, even when it is simply rustic like this one.
So delicious. Perfect for that romantic picnic. Are you a goat cheese fan? Savory tart fan or only a sweet tart fan? Leave a comment and let me know!
Need some more ideas for a fun picnic? You might enjoy these posts~
Caramelised Onion Tart With Goats Cheese
For the Crust
- 1 pre-baked tart shell either store bought or homemade
For the onions:
- 2 TBSP butter
- 1 TBSP olive oil
- 2 medium to large sweet red onions
- 2 TBSP light brown sugar
- 2 TBSP good quality Balsamic Vinegar
Goat Cheese layer:
- 8 oz goat cheese I used a log
- 2 sprigs of fresh thyme
- salt and pepper to taste
- 1 egg
- 6 TBSP milk.
- Preheat oven to 400 degrees
To caramelize the onions:
- Thinly slice the onions.
- Over medium heat melt butter and olive oil together. Once warm, add in onions. Allow to sweat for around 10 mins, getting them to break down and brown.
- Once cooked down, add brown sugar and balsamic vinegar. Continue sautéing until the onions become almost like a jelly or chutney type consistency
- While your onions are breaking down, make the goat cheese mixture by mixing the leaves of thyme, the goat cheese, salt and pepper and egg together.
- Slowly add the milk a tablespoon at a time until you reach a creamy consistency.
To assemble the tart:
- Layer the balsamic onions on top of the tart shell
- then top with the goat cheese mixture.
- Bake for around 25 minutes, or until the top begins to brown. There should be no jiggle left when slightly shaken.
- Allow to cool on a wire rack. Once cooled, top with pesto and garnish with more thyme
- Serve slightly warm or chilled. Can be made a day ahead.
Questions? Loved it? Leave me a comment— I love to hear from you!
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