Caramelised Onion and Feta Galette

Lunches are never easy. You open the fridge and hope something delicious jumps out, provocatively dancing the salsa, shaking the tubs of parmesan and olives like maracas. After a year of this working-from-home madness, I repeat, A YEAR, I decided to bake a caramelised onion and feta galette which I had been threatening to do for a while, then had difficulty photographing it because it blended into the wooden work surface. Which got me thinking.

caramelised onion galette

When you’re four years old, all your favourite foods create a patchwork of various shades of beige. It is so far from eating the rainbow, it is more like eating the earth. Without the health benefits.

On your plate you may have some fish fingers, chips, or those wonderful potato smiley faces which still hold a treasured place in my heart. Instead of fish fingers, you might prefer chicken nuggets and maybe some mashed potato, and then you round off the meal with a cookie. Your ever-patient parents despair as you wrinkle your nose at broccoli and sprouts but it’s so hard to explain: Mum, Dad, they simply don’t match my colour scheme!

I’d like to tell you we grow out of this weird food fad, but suffice to say I still enjoy a variety of beige foods. They come in a much broader range these days, which is encouraging for my palate and diet, but we can’t deny that cake, pastries, sandwiches, pizza, pasta – anything carby and comforting – are all beige. There is nothing wrong with this, of course, it’s just when you come to photographing your food (as one does) a plate of one colour is less aesthetically pleasing than one of vibrancy. Time and time again, if I’m taking pictures of cookies or roasted cauliflower, there’s that photographic battle between me and the meal.

caramelised onion and feta galette

Another of those delicious beige items is this caramelised onion and feta galette.

My family are not fussy. We can sit down to an anchovy-strewn salad full of pungent flavours like capers and paper-thin garlic slices, or a thick turkey soup, or mushroom and haggis pie which my dad tried for Burn’s Night. Everything is devoured and serving bowls are licked clean. But we still like foods in shades of beige. Cake will always go down well. And if we are including this caramelised onion and feta galette in that category, as an addition it was a hit.

Pastry Talk: What is a caramelised onion and feta galette?

Galettes are freeform rustic tarts; there is no tin to line, no hairline cracks to seal. They are messy and imprecise and everyone loves them for it. They are proud of being themselves in a world full of flans and quiches. We should all aspire to be like a galette.

The pastry is a simple flaky pastry mixed with sour cream or yoghurt – yes, you read that correctly – which creates a light, surprisingly crisp texture, on to which I spread thick whipped feta and topped with caramelised onions and thyme. (Here, I must add a warning – fill your galette on the baking tray. Dear reader, make your life easier and learn from my mistakes.)

It bronzed in the oven, like a sunbather on a lounger, the egg-washed pastry darkening to gold, while the onions sizzled merrily. The salty tang of feta cream complemented the onions’ sweetness, and that lovely flaky pastry was crisp without a soggy bottom in sight. I served the caramelised onion and feta galette with a bitter leaf salad, garnished with slivered radishes and pine nuts to off-set all that sweet richness.

After all, beige foods aren’t bad. They can just be a little frustrating to photograph. Not that four-year-old me would have really minded.

Caramelised Onion and Whipped Feta Galette

Crisp and flaky galette covered in caramelised onions and creamy feta, and somehow that pastry refuses to let any seepage through, it honestly is miraculous pastry and I really recommend you try it
Prep Time1 hour 45 minutes
Cook Time40 minutes
Course: Dinner, Lunch, Main Course
Cuisine: British, French
Keyword: caramelised onions, feta, galette
Servings: 4
Author: Adapted from A Beautiful Plate’s recipe


For the pastry

  • 150 g plain flour
  • ½ tsp salt
  • 115 g cold unsalted butter cubed
  • 60 g Greek yoghurt
  • 2 tsp lemon juice
  • 60 ml cold water

For the caramelised onions

  • 2 large onions
  • 30 g butter
  • 2 tsp dried thyme plus 1tsp extra for assembling
  • 2 tbsp soft brown sugar
  • 30 ml balsamic vinegar

For the whipped feta

  • 100 g feta
  • 75 g Greek yoghurt


  • In a bowl, mix together the flour and salt then add the butter and toss it all together. Tip it into the food processor and pulse into rough flaky pieces and powdery yellow crumbs. Chuck it all back in the bowl and make a well in the centre. If you don't have a food processor, simply rub the butter into the flour with your finger tips.
  • In a small bowl or jug, whisk together the 60g yoghurt, lemon juice and cold water and pour it into the dry ingredients. Stir it all together until it creates a rough dough. Tip it on the work surface and quickly bring it together, incorporating all the flour and crumbs until it’s all combined. Flatten it into a disc and wrap in cling film, then chill in the fridge for at least an hour.
  • Peel and finely slice the onions either into strips or rings. Melt the 30g butter and once it’s sizzling add the onions. Stir it all together to coat the slices in the butter, then cover with a cartouche – a circle of greaseproof paper which you scrunch up then flatten so it collects all the condensation. Make sure the cartouche is touching the onions and sealing in all the moisture. Lower the heat completely and leave to sweat for 10 to 15 minutes.
  • Meanwhile, make the whipped feta. Crumble up the feta and either put it in the food processor or in a bowl. Add the 75g Greek yoghurt and whip in the food processor or using a hand-held electric whisk. When all combined, thick and creamy, taste a little and season with a squeeze of lemon juice.
  • Remove the cartouche from the onions and stir. They should have produced a lot of water, and should be soft and a bit sweet. Season with sea salt and the 2 tsp dried thyme, then return the cartouche on top and sweat for another 5 minutes.
  • Preheat the oven to 200°C/180°C fan/395°F and take the opportunity to tackle that mountain of washing up!
  • Add the sugar to the onions and stir together. Increase the heat and the liquid in the pan will boil. Stir regularly to stop the onions from burning. When the liquid begins to reduce, add the balsamic. Mix everything together and keep cooking until all the liquid has evaporated and onions are looking dark and caramelised. It should take 5 to 10 minutes. When they are ready, pour them onto a plate and spread them out so they can cool quickly. Don’t take your pastry out the fridge until your onions are cool enough to handle otherwise they will melt the pastry.
  • Line a baking tray with baking parchment and sprinkle some flour on the work surface. Beat the egg for your egg-wash. Roll out your pastry into a rough circle, to the thinness of a £1 coin, then place it on the tray – some of the pastry will hang off the edge.
  • Spread the whipped feta in a circle in the middle, leaving a border of roughly 4cm around the edge. Top the feta with the cooled caramelised onions and sprinkle with the remaining tsp of thyme. Fold the pastry border over the onions in sections so that it folds and overlaps. Brush the pastry with egg wash and slide the tray into the oven to bake for 30-40 minutes, until the edges are golden brown and the onions are sizzling.

8 responses to “Caramelised Onion and Feta Galette”

  1. BERNADETTE Avatar

    Nigella, you are so funny. The bit about beige food is so funny and so true. Great recipe and post.

    1. Nigella Eats Everything Avatar

      Oh thank you so much Bernadette! I think beige foods are every cook’s nightmare haha and I’m getting self-conscious about how beige all my photos are!

  2. BERNADETTE Avatar

    Whoops, meant to sayAlly

  3. Dorothy's New Vintage Kitchen Avatar

    Yum! I know how wonderful this will taste!

    1. Nigella Eats Everything Avatar

      Thank you! Sometimes there are foods you can just taste through the screen!

      1. Dorothy's New Vintage Kitchen Avatar

        Yes there are!!!!

  4. […] leaves, especially when combined with blackberry. Although, we do differ with our standing on the ‘beige food’ quandary – me against, she all for it, the more beige in your food the better as she can find those […]

  5. […] which no longer screams ‘showstopper’ anymore. Maybe it’s because it’s one of those beige foods I find so frustrating, or is it because it lies so flatly on the plate, naively waiting to be eaten? This is why I made […]

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