Tuesday, October 4, 2022

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Raspberry Crumble Bars! – Jane’s Patisserie

*This submit might include affiliate hyperlinks. Please see my disclosure for extra particulars!*

Fruity and scrumptious raspberry crumble bars with an oaty crumble base, raspberry filling, and much more scrumptious crumble on prime!

Say whats up to a few of the most scrumptious bits of heaven you’ll ever eat… these raspberry crumble bars. They’re HEAVENLY and simply so extremely moreish and delicious. 


So yeah, one other traybake so as to add to my by no means ending roster of bakes that I’m all the time in love with. Truthfully, when you’ve got adopted me for some time you’ll know {that a} traybake associated bake is one among my favorite issues ever and that’ll by no means change. 

Traybake can are available in many a type, comparable to brownies, blondies, cookie bars, flapjacks and so forth. These raspberry crumble bars are a brand new one so as to add to the checklist of goodness.

All of my traybake recipes, if I may help it, are made into a 9″ sq. tin. That is for ease, and in order that I scale back the quantity of fine details it’s essential to purchase! I all the time use this traybake tin


So everyone knows what a crumble is true? Its one of the crucial iconic traditional issues you may ever devour. I’ve diversified crumble associated bakes on my weblog comparable to my apple crumble traybake, and even my apple crumble cupcakes.. however this one? Oh that is on one other league. 

It isn’t fairly ‘crumble’ to the concept of a traditional dessert – however its a crumble like oaty scrumptious combination of substances that create the very best base and topping for these bars. 

  • Oats – for this bake, I needed an oaty flavour to return by means of to go with the raspberries and likewise create a extra textured crumble. 
  • Flour – an apparent one, however plain flour is a should!
  • Sugar – I made a decision to make use of mild brown gentle sugar, however this may work nicely with different sugars comparable to caster sugar, and even darkish brown gentle sugar. 
  • Elevating brokers – this one might sound somewhat odd, however belief me – you need the tiny carry from the baking powder!
  • Butter – I exploit unsalted butter as all the time, however a salted butter would work nicely additionally. I’d keep away from any baking spreads of margarines as they’re too gentle for the crumble combination. 


The primary half proper? The raspberries! A scrumptious candy and sharp combination of heaven. I made a decision to not simply add in some raspberries and hope for the very best, and I didn’t simply wish to do a layer of jam as some recipes do… I needed to degree it up and make a combination! 

  • Raspberries – So for ease, I’d suggest recent berries. You want to have the ability to mash them up and frozen would make this too laborious. You’ll be able to attempt thawing frozen berries, however you would wish to get rid of any extra liquid earlier than utilizing them. 
  • Jam – A raspberry jam – a traditional! Seedless, with seed, clean, lumpy… no matter! 
  • Lemon – The lemon is required to chop by means of the sharpness of the raspberry but additionally deliver out the flavour splendidly. 
  • Cornflour – A thickening agent on this case. Please use it, it’s significantly better than simply utilizing plain flour. 

It might sound foolish within the methodology, however actually one of the simplest ways I discovered to make this filling was so as to add the substances to a bowl and mash them barely with a potato masher. It meant I nonetheless had texture, however every thing had blended in nicely sufficient. 


As you may see from the photographs there are layers to those raspberry crumble bars. It’s pretty merely although – a majority of the crumble combine goes into the lined 9×9″ sq. tin and also you press it down firmly. I discovered 500g of the crumble combine was good for this layer after some experimenting with ratios. 

Then, you prime the bottom with the mashed raspberry combine and unfold evenly, after which sprinkle over the remainder of the crumble combine. This a part of the crumble combine doesn’t want urgent down as it might flip right into a raspberry mush. 


For a bake like this, and principally any bake ever until acknowledged in any other case, you want a preheated oven. I’ve a fan oven so I bake at 180ºc on the fan setting, however when you’ve got an everyday oven it might be 200ºc. That is additionally so far as I’m conscious fuel mark 6, or 400ºf if that helps – though I’ve by no means baked in a fuel oven. 

The temperature is barely greater in comparison with different traybake recipes I’ve completed, however you need the additional heat to actually begin toasting and baking the crumble combine and it actually helps. 

The combination will be barely gentle, so make sure that the crumble combination is popping splendidly golden and exquisite earlier than taking out of the oven. 

Suggestions and Tips 

So relating to making a bake like this, it’s surprisingly simple, however there are methods to assist make sure that it really works splendidly. When making the crumble combine I merely use a big bowl, add the substances, and rub them along with my fingertips. This implies you may nonetheless have the great texture of the oats within the crumble with out by accident destroying them in a meals processor or mixer.

For the raspberry combine, I genuinely simply use one other bowl and a potato masher – however a big spoon or fork works nicely, it simply takes a bit longer. You don’t wish to over combine this both as you need texture to the combination. 

As talked about above, I exploit this traybake tin as its the right measurement. 


  • 175 g rolled oats
  • 200 g plain flour
  • 150 g mild brown gentle sugar
  • 1/2 tsp baking powder
  • 175 g unsalted butter (chilly and cubed)


  • 400 g raspberries
  • 150 g raspberry jam
  • 1 tbsp lemon juice
  • 1 tbsp cornflour


  • Preheat the oven to 180ºc/160ºfan and line a 9×9″ sq. tin with parchment paper.

  • In a big bowl, add the rolled oats, plain flour, mild brown gentle sugar, baking powder and unsalted butter.

  • Rub the substances collectively together with your fingers till the combination resembles bread crumbs and there aren’t any massive lumps of butter left.


  • In a brand new bowl, add the recent raspberries, raspberry jam, lemon juice and cornflour.

  • Mash the substances collectively till they’re mixed, however nonetheless leaving some texture to the raspberries.


  • Pour 500g of the oaty crumble combine into the lined tin and press down firmly.

  • Pour the filling onto of the oats, and unfold.

  • Sprinkle over the remainder of the crumble combine

  • Bake the raspberry crumble bars within the oven for 30+ minutes, or till golden and exquisite.

  • Go away the bars to chill absolutely earlier than portioning. Refrigerating them can generally make this simpler.

  • These beauties will final for 3+ days, greatest within the fridge
  • I exploit this tin for this bake 
  • The raspberries will be swapped to different berries comparable to blackberries, blueberries, strawberries and so forth, or a combination of. 

Discover my different recipes on my Recipes Web page!

You’ll find me on:

J x

© Jane’s Patisserie. All photographs & content material are copyright protected. Don’t use my photographs with out prior permission. If you wish to republish this recipe, please re-write the recipe in your personal phrases and credit score me, or hyperlink again to this submit for the recipe.



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