Caramelized Onion Tart

Do you have a Guilty Pleasure List? Like brownies for breakfast or staying in your ‘night night’ clothes all day? That’s one of Lincoln and my favorites! Recently, we had a competition on who could stay in their ‘night night’ clothes the longest. Lincoln won. I had to run an errand. (dang!) Although, he’s also had a contest with classmates on who could go the longest not washing their socks.

I wasn’t involved in that!

The winner lastest 2 weeks.

I’m sure a Mom intervened.

Sometimes, my guilty pleasure is cooking something very easy!

Sometimes I just like a simple recipe. One that doesn’t require much time or thought!

That’s why I like this Blue Cheese Caramelized Onion Tart.

The bonus? Every time I make it for guests, they rave over it!

That makes me feel good.

I like to feel good.

This Blue Cheese Caramelized Onion Tart could be prepared as one large tart, individual servings or appetizer portions.

You could also have one as your meal as I did!!

I’m the cook. It’s my prerogative.

It’s also super simple!

Caramelized Onion Blue Cheese Tart ovhd
I have made it with just caramelized onions.
I have also made it adding with blue cheese and added a drizzle of balsamic reduction.
Caramelized Onion Blue Cheese Tart with Balsamic Reduction
If I’m serving it as a side, I cut the sheet of puffed pastry into fourths.
Blue Cheese Caramelized Onion Tart #callmepmc
 I prefer it with blue cheese and balsamic reduction.
It is such a wonderful mix of flavors.
If you like a wonderful mix of flavors.

Caramelized Onion Tart


Cook Time: 40 minutes

Total Time: 40 minutes

Yield: 8


  • 3 sweet onions, such as Vidalia, sliced
  • 1 package puff pastry
  • 1/4 c blue cheese


  • For 8 servings, roll out one sheet puff pastry. Roll with a rolling pin until smooth and flat. Cut into 4 equal portions. Take square and fold over each side about 1/2 inch so that the edges are double thickness. This will better hold the ingredients in the center. Bake in 400 degree oven until golden brown about 20 minutes.
  • Meanwhile, caramelize onions over low heat in 1 T butter or coconut oil until golden brown about 15 to 28 minutes
  • Once pastry squares are golden, remove from oven and spoon onions in center of square. Top with blue cheese. Return to oven and bake until cheese melts. Serve immediately.


Recipe from Paula All images and content are copyright protected. Please do not use my images without prior permission that includes copying the ingredient list or entire recipe and posting in the comments on Pinterest. If you want to share this recipe, please simply link back to this post for the recipe. Thank you, Paula

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To keep your eyes from stinging and watering while cutting onions, place the onion in the freezer for 15 minutes before you plan to start cooking. Chilling the onion slows the release of the enzyme responsible for teary eyes.


This is one meal plan that I like to make this Blue Cheese Caramelized Onion Tart as a side dish with.
Weekly Meal Plan #callmepmcIt would also be good with Grilled Steak with Red Wine Sauce
Grilled Steak with Red Wine Sauce via

and Romaine Toss
Romaine Toss via

Twice Baked Feta Potatoes
Twice Baked Feta Potatoes via

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Caramelized Onion Tart
Caramelized Onion Tart
About Paula

Hi friends! I'm Paula. I'm a full-time Mom and blogger. I'm always looking for shortcuts and time-saving strategies to make delicious and nutritious meals for my family. I particularly like to take familiar flavors and present them in new ways. I enjoy developing recipes, cooking (especially baking) and I sharing all my tips with you.

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