Bacon, Caramelised Onion & Blue Cheese Tart Recipe!

Hello lovelies,

Do you know what’s an absolute travesty? The fact I’ve never shared a savoury tart with you guys.

I was scrolling online when I had this overwhelming feeling of wanting to do a savoury tart. Like I say, I’ve never shared one here on my blog (from what I can remember anyway) and I thought it would be a nice change from all the sweet treats I’ve been sharing recently.

Although I mainly share sweet treats here on my blog, I’m actually a savoury gal at heart. That’s only changed the last couple of years but I’ve defiantly grown a love for savoury foods. So, as you can imagine, this tart is right up my street.

I’d never have thought about putting these ingredients together until I saw a recipe for a tart on Pinterest that had and it instantly caught my attention. If there’s one thing you should know about me, it’s that I have a great love for cheese & onion. Actually, it’s a slight obsession at this point. Likewise with pizza, I could quite easily eat anything that has cheese & onion on for every meal. Have I slightly concerned you or do you agree that cheese & onion is top tier?

I just know you guys are going to love how quick, easy and delicious this tart is. So before I ramble on anymore about my love for savoury, cheese & onion, let’s get into it:


Category: Savoury

Serves: 10-12

Prep Time: 40 Minutes

Cook Time: 25-30 Minutes

Overall Time: 60 Minutes


Ingredients You Need:

  • 4-5 Red Onions, Sliced
  • 1tbsp Of Butter
  • 1tbsp Of Olive Oil
  • 1 Sheet Of Ready-To-Roll Puff Pastry
  • 1tbsp Of Balsamic Vinegar
  • 184g Of Sour Cream
  • 150g Of Blue Cheese, Crumbled
  • 5 Slices Of Bacon, Cut Small & Cooked
  • Pinch Of Pepper

How To Make Tart:

  • Firstly, gather together your equipment and ingredients and line a baking tray with parchment paper.
  • Secondly, in a pan on a medium heat, cook your bacon till crisp then set aside.
  • Next, in a large frying pan over a medium-high heat, place the 1tbsp of butter and 1tbsp of olive oil in the pan and allow to heat up.
  • Once heated, place your sliced onions into the pan and occasionally stir. Allow the onions to cook and caramelise for around 25-35 minutes (TIP: keep an eye on the heat of the pan, you may have to lower the heat if the onions begin to burn).
  • When the onions have caramelised, add the 1tbsp of balsamic vinegar and mix into the onions then set aside.
  • Now that the onions and bacon have been cooked, preheat the oven to 200C / 180C Fan / Gas Mark 6.
  • In a large bowl, mix together the 184g of sour cream with the 150g of crumbled blue cheese and a pinch of pepper.
  • On the lined baking tray, roll out your ready-to-roll puff pastry.
  • Fold the edges of the puff pastry around 1/2inch to give the pastry a boarder so the centre doesn’t overflow.
  • Spread the sour cream / blue cheese mixture onto the centre of the puff pastry and spread out to the edges.
  • Next, sprinkle over your caramelised onions and crispy bacon.
  • Now, place the baking tray into the oven and allow to cook for 25-30 minutes until the pastry is golden brown and cooked.
  • Finally, take your tart out the oven and allow to cool on a wire rack.

That’s your Bacon, Caramelised Onion & Blue Cheese Tart prepared, baked and ready for you to demolish.

If your reading this, let this be your sign to get baking a tart of your own. I can quite honestly say this is one of the best tarts I’ve ever tried. Its packed full of flavour and blooming delicious.

Would you like to see more tarts on my blog? if so, do let me know and I can do just that.

Let me know if you make this tart yourself and if you do, what your thoughts were on it. Is this or is this not the best combination of ingredients?

Sending you all tons of love & hugs as always,

Elle xo

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44 Comments

  1. March 14, 2022 / 9:15 am

    Looks delicious, I also love cheese and onions garnished with sausages.

    • ellegracedeveson
      Author
      March 17, 2022 / 6:59 pm

      Ooo that sounds absolutely delicious! I’ll defiantly be giving that a go asap. Thank you so much for commenting Xo

  2. Lauren
    March 14, 2022 / 11:19 am

    I love caramelised onions. I don’t like blue cheese so I would have to swap to a different cheese. This sounds yummy though! The picture makes me super hungry! I shouldn’t read your blog when I am hungry ha ha. Thank you for sharing this easy to follow recipe!
    Lauren – bournemouthgirl

    • ellegracedeveson
      Author
      March 17, 2022 / 7:01 pm

      I absolutely love caramelised onions, they are so yummy, aren’t they? Oh defiantly, any cheese will work beautifully with this recipe. My recommendation would defiantly be cheddar or mozzarella! Hahaha, love that. When I’m writing up the recipes my mouth is always watering. Thank you so much for commenting Xo

  3. March 14, 2022 / 11:45 am

    This tart looks amazing! The only thing I would swap is the blue cheese, I’d maybe go for something like Cheddar or even Mozzarella! x

    Lucy | http://www.lucymary.co.uk

    • ellegracedeveson
      Author
      March 17, 2022 / 7:02 pm

      It honestly is delicious. Cheddar or mozzarella would work beautifully with this recipe! I’ll actually be giving that a go myself soon. Thank you so much for commenting Xo

  4. March 14, 2022 / 1:15 pm

    Yummy! I saved this on Pinterest for later because I am sure that it will be a success xx

    • ellegracedeveson
      Author
      March 17, 2022 / 7:03 pm

      Ooo I hope you love it! Thank you so much for commenting Xo

  5. March 14, 2022 / 5:48 pm

    Blue cheese and bacon are a match made in heaven, I can’t believe I haven’t thought to try that combination before! This looks delicious, and easy too, thank you for sharing!

    • ellegracedeveson
      Author
      March 17, 2022 / 7:05 pm

      Oh defiantly, I absolutely love the combination of them both together. It’s so easy to make and honestly tastes delicious. Thank you so much for commenting Xo

  6. March 14, 2022 / 5:52 pm

    Yummy! Anything with caramelised onion gets my vote.

    • ellegracedeveson
      Author
      March 17, 2022 / 7:06 pm

      Oooo me too! I just love caramelised onion. Thank you so much for commenting Xo

  7. March 14, 2022 / 6:47 pm

    Ooh this looks absolutely delicious! I don’t think I’ve ever tried a savoury tart before actually but this looks like the perfect place to start – I love bacon and cheese, even if I haven’t tried caramelised onion yet! Thanks for sharing x

    • ellegracedeveson
      Author
      March 17, 2022 / 7:07 pm

      Oh my god yes! If you want to try a savoury tart you’ve got to start with this. Hand on heart – it is just delicious. The combo of ingredients are a match made in heaven. I hope you love it! Thank you so much for commenting Xo

  8. March 14, 2022 / 7:17 pm

    Yummmm, what a combination of flavours! Mouth is watering just thinking about it!
    Ps, love your wooden board!

    • ellegracedeveson
      Author
      March 17, 2022 / 7:08 pm

      The combo of ingredients is just SO delicious! My mouth waters every time I think or write about it haha. Ah thank you, I’m pretty sure it’s from Next. Thank you so much for commenting Xo

  9. wombatjambalayaoberon31620
    March 14, 2022 / 7:22 pm

    This recipe sounds amazing. I love caramelised onion, bacon and blue cheese. I think I am going to need to make it. Could be a favourite of mine. Thank you for sharing.

    • ellegracedeveson
      Author
      March 17, 2022 / 7:10 pm

      These ingredients combined together is just delicious! It’s a match made in heaven. I really hope you enjoy it! Thank you so much for commenting Xo

  10. March 14, 2022 / 8:17 pm

    What an absolutely delicious recipe! I love that it is not complicated at all and promises to be mouth-watering and fantastic. 🙂

    • ellegracedeveson
      Author
      March 17, 2022 / 7:11 pm

      This recipe is so so easy to make! Honestly, this is the most delicious tart. I’m obsessed. Thank you so much for commenting Xo

  11. March 15, 2022 / 12:49 am

    Sounds so delish! This would be a great recipe for my mom because she loves bacon and cheese 😀 Thanks for sharing your recipe x

    • ellegracedeveson
      Author
      March 17, 2022 / 7:13 pm

      It really is delicious! Ooo I hope your mum loves it as much as I do. Thank you so much for commenting Xo

  12. Jenny
    March 15, 2022 / 8:19 am

    I love everything about this recipe. I actually just showed my boyfriend and not we’re both drooling over it haha!

    • ellegracedeveson
      Author
      March 17, 2022 / 7:14 pm

      Ah I love that! it is one of those recipes that makes your mouth water when you think about it. It’s just delicious! Thank you so much for commenting Xo

  13. March 15, 2022 / 10:08 am

    It looks delicious and easy to cook! Will definitely try this out! Thank you Elle 😘

    • ellegracedeveson
      Author
      March 17, 2022 / 7:15 pm

      These are honestly SO easy to make and takes little time. It’s just delicious. Thank you so much for commenting Xo

  14. March 15, 2022 / 11:19 am

    That looks so tasty. I love a savoury tart – so versatile, and you can put anything you want on it.

    • ellegracedeveson
      Author
      March 17, 2022 / 7:16 pm

      You can’t beat a good savoury tart, can you? You can honestly add or take away any of the ingredients in this tart and it’ll taste absolutely delicious. Thank you so much for commenting Xo

  15. March 15, 2022 / 4:05 pm

    Elle this looks incredible and I will have to try this out as my fiancé would likely go wild for this type of meal! Thanks for sharing.

    • ellegracedeveson
      Author
      March 17, 2022 / 7:18 pm

      It really is a delicious recipe, honestly if you love a savoury tart – this is the one to make! I hope you enjoy. Thank you so much for commenting Xo

    • ellegracedeveson
      Author
      March 17, 2022 / 7:22 pm

      Oh it really is a beautiful pairing. I’m absolutely obsessed! Thank you so much for commenting Xo

  16. March 16, 2022 / 1:26 pm

    I love easy dishes like this, the amount you can do with a sheet of pastry is endless. This looks really good, never been a fan of blue cheese so I’d have to swap that out but love the concept x

    • ellegracedeveson
      Author
      March 17, 2022 / 7:26 pm

      It’s such an easy dish to throw together and makes enough to share around with loved ones. It really is. I love ready-roll pastry, it makes everything so much quicker to make! You could swap it out for any cheese you like and honestly, it’ll still taste absolutely delicious. Thank you so much for commenting Xo

  17. March 16, 2022 / 5:09 pm

    Oh my gosh this sounds delicious. I love a tart and love caramelised onion so this is win win for me.

    • ellegracedeveson
      Author
      March 17, 2022 / 7:28 pm

      Caramelised onion is my absolute favourite! It’s just delicious and paired with these ingredients…*chefs kiss*. It really is a win! Thank you so much for commenting Xo

  18. March 17, 2022 / 6:32 pm

    This looks absolutely delicious! I love caramelised onions, I would just have to swap for a different cheese, but definitely a recipe to try one of these evenings! x

    • ellegracedeveson
      Author
      March 17, 2022 / 7:41 pm

      You can’t beat caramelised onions, can you? Any cheese would honestly work beautifully with this recipe but the two I’d highly recommend trying is cheddar or mozzarella! It’s just delicious. Thank you so much for commenting Xo

  19. March 18, 2022 / 2:42 pm

    To be honest, you had me at blue cheese! Why does it go so well with bacon x

    • ellegracedeveson
      Author
      March 30, 2022 / 11:55 pm

      Ugh it’s just amazing together, isn’t it? This really is the perfect savoury treat. Thank you so much for commenting Xo

  20. March 21, 2022 / 8:03 pm

    Cheese and onion, red onion (all the onions!) This sounds so nice. x

    • ellegracedeveson
      Author
      March 31, 2022 / 9:47 am

      Oooo it really is delicious!!!! Thank you so much for commenting Xo

  21. March 23, 2022 / 5:34 pm

    I would have never thought of this type of creation. I’d have to have something different than bacon, haha. Not really a fan of bacon. But I know my partner would love this! Thanks for sharing.

    • ellegracedeveson
      Author
      March 31, 2022 / 10:14 am

      You can honestly swap any of the ingredients out which you don’t like and add something you prefer. Honestly, this tart will taste delicious with anything added to it! Thank you so much for commenting Xo

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