French Caramelized Onion Puff Pastry Tart

I am beyond excited to indulge in the flavor explosion that is the French Caramelized Onion Puff Pastry Tart!

This culinary masterpiece starts with a delicate, buttery puff pastry base that cradles a symphony of perfectly caramelized onions.

It’s the perfect treat to impress your family and loved ones, guaranteed to have them licking their fingers in delight.

Whether you serve it as a satisfying lunch or a show-stopping appetizer for your holiday table, this tart is sure to please.

French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

The magic happens when caramelized onions and bacon come together, creating a delightful balance of sweet and savory flavors.

A touch of garlic and marjoram adds a tantalizing contrast to this already incredible combination.

And let’s not forget about the milky tenderness of ricotta, which brings a refreshing and soft element to this flavor palette.

The best part? You can easily make your own ricotta with just 3 simple ingredients: milk, salt, and citric acid.

French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Now, let’s talk about that irresistible aroma of crispy bacon.

It’s enough to make anyone weak in the knees!

This recipe calls for just the right amount of bacon to infuse the filling with its unique and rich flavor.

Trust me, it’s the secret ingredient that elevates this dish from ordinary to extraordinary, turning it into a true gourmet delight.

It’s impossible not to be captivated by this tasty dish – it epitomizes all that is exquisite about French cuisine, delighting both the senses and the soul.

French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Looking for a delicious and easy puff pastry recipe?

Look no further than this French Caramelized Onion Puff Pastry Tart.

The addition of red onions brings a distinct flavor and subtle sweetness, making them the perfect ingredient for creating crispy tarts.

And to enhance the taste even further, I fry the onions in the same vegetable oil as the bacon, allowing them to soak up all the amazing flavors of this meaty delicacy.

So, why wait? Treat yourself and your loved ones to the incredible flavors of this Onion Tart.

It’s a culinary masterpiece that will leave everyone craving for more.

how to cook French Caramelized Onion Puff Pastry Tart?


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To start, preheat your oven to 200°C (400⁰F). Grab a red onion and slice it into thin half rings.


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Next, cut your bacon strips into squares.


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Heat up a frying pan over high heat and pour in a little vegetable oil. Toss in the bacon and fry it on both sides until it turns a beautiful golden brown. Once done, transfer the bacon to a plate.


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Now, take the chopped onion and toss it into the same pan where the bacon was fried. Season it with some salt, black pepper, and dried garlic. Reduce the heat and fry the onion until it turns a lovely golden brown. Once it’s done, remove the onion from the pan and let it cool.

TIPS: Fresh ingredients can make a world of difference. Instead of using dried garlic, opt for the pungent flavor of fresh garlic. Just peel, finely chop, and fry it along with the onion for a burst of aromatic goodness.


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Take your puff pastry, which should be defrosted according to the package instructions, and place it on a lightly floured surface.

TIPS: If you’re looking for recommendations on working with puff pastry and three different ways to defrost it, check out our informative articles: “How to Thaw Frozen Puff Pastry“, “How to Bake Frozen Puff Pastry in Oven“, and “Tips How to Make Puff Pastry Recipes“.


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Roll out the pastry into a 17cm x 22cm rectangle. If you want to be precise, you can use a ruler.

TIPS: If cracks appear while you’re working with puff pastry, don’t worry! Simply moisten them with a little water and then press down with your fingers to bring the dough back together. Easy peasy!


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Now, here’s a trick: cut the dough with a knife, but make sure to leave a 2 cm border from each edge. Be careful not to cut all the way through.


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Use a fork to prick the middle of the pastry.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Transfer the pastry onto a baking sheet lined with parchment paper.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Pop it into the preheated oven at 200°C (400⁰F) and bake for around 10 minutes.

TIPS: Looking for some helpful advice on how to preheat your oven and prepare it for baking? Look no further than my articles “How and Why Do You Need to Preheat Oven” and “Top 7 Secrets How to Bake in Oven”.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Once the crust is done, take it out and let it cool slightly. Now, it’s time to add the fillings. Spread the golden-brown onion evenly in the center of the crust.

TIPS. Gently press the center of the pastry tart with a spoon. This makes more room for the filling.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Crumble some ricotta on top of the onion, then sprinkle on the fried bacon and some dried marjoram.

TIPS: Not a fan of marjoram? No problem! Experiment with other dried herbs that tickle your fancy and complement your dish.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

In a small bowl, lightly beat an egg with a whisk. Add some water and give it a good stir.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Use a brush to coat the edges of the tart with this egg mixture.

TIPS: To apply an egg brush, it’s handy to have a special pastry brush. But if you don’t have one, no worries! You can simply use the tip of a folded paper towel or even just brush the dough with your finger.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Place the baking sheet with the tart back into the oven at 200°C (400⁰F) and bake for an additional 15 minutes.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Once the time is up, take out the tart from the oven and allow it to cool slightly. To add a touch of freshness and flavor, sprinkle some chopped green onions on top as a garnish.


French Caramelized Onion Puff Pastry Tart - VIDEO RECIPE

Now comes the exciting part! Grab a knife and cut French Caramelized Onion Puff Pastry Tart into equal, mouthwatering pieces. Make sure to serve it while still warm, as it enhances the delightful flavors. So, sit back, relax, and enjoy this scrumptious treat. Bon appétit!

French Caramelized Onion Puff Pastry Tart


for the crust

  • Puff pastry – 1/2 pack (250 g)

for the filling

  • Bacon strips – 3 pcs. (60 g)
  • Red onion – 2 pcs. (100 g)
  • Salt – 1/8 tsp. (1 pinch)
  • Dried marjoram – 1/2 tsp. (1/2 g)
  • Dried garlic – 1/8 tsp. (1 pinch)
  • Ground black pepper – 1/8 tsp. (1 pinch)
  • Ricotta – 1/8 portion (45 g)


  • Eggs – 1 pc. (50 g)
  • Water – 1 tsp. (5 g)
  • Green onions

Cooking steps:


  1. Cut the red onion into thin half rings.
  2. Cut the bacon into squares. Pour a little vegetable oil into a frying pan heated over high heat and add bacon. Fry on both sides until golden brown, transfer to a plate.
  3. Place chopped onion in the pan in which the bacon was fried, season with salt, black pepper and dried garlic. Reduce heat and fry until golden brown. Remove the prepared onion from the pan and cool.


  1. Place the puff pastry, thawed according to the instructions on the package, on a lightly floured surface, roll out into a 17cm x 22cm rectangle. Stepping back 2 cm from each edge, cut the dough with a knife, being careful not to cut through. Prick the middle with a fork. Transfer the dough to a baking sheet previously lined with parchment paper.
  2. Bake the crust in an oven preheated to 200°C (400⁰F) for about 10 minutes. Remove the crust from the oven and cool slightly.


  1. Place the onion filling on the crust and spread evenly. Crumble the ricotta on top, spread the fried bacon, sprinkle with dried marjoram.
  2. Lightly beat the egg with a whisk, add water and stir. Brush the edges of the tart with the egg mixture.
  3. Bake in a preheated oven at 200°C (400⁰F) for another 15 minutes.
  4. Allow the finished tart to cool slightly and garnish with chopped green onions.


  1. It always so great! I’m shocked! This is now mom’s favorite tart! I’ve been baking for over a year now, and it always works out, there’s never been a time when it didn’t work out!

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