Blueberry Crumble Slice

This Blueberry Crumble Slice are moreish little bites bursting with jammy juicy blueberry flavour. The biscuit base is actually just a compressed version of the crumble topping – super easy to make and something the whole family will love!

I’m back with the crumble again.  I can’t seem to stop.  I think I may be starting to like crumble topping more than….

Chocolate?

No it can’t be.  After all I’m a self confessed chocoholic.  I could probably count on one hand the number of days I haven’t eaten chocolate in the last 6 months.  They say the first step to dealing with an addiction is to admit it to yourself.  Well I do admit it.

I just don’t see it as a problem.

I wonder how chocolate crumble would taste?

I’ll try to push that though out of my mind, but in reality I know that the part of my brain responsible for my chocolate addiction is biding it’s time before flooding my head with the desire to go and make it.

I have to say, it’ll be hard-pressed to beat this crunchy, juicy blueberry crumble slice though.  I first saw the recipe for this on a blog call Flavour Mosaic.  The pictures of the juicy jamminess of the blueberries went straight on one of my pinterest boards and I kept going back and drooling over it until I made it.  And then I made it two more times in the same week.

One of the things that totally stood out for me was that the base of the crumble slice is made up of exactly the same ingredients as the topping.  Just squashed together more.  Double crumble whammy yay!
I made a few small adjustments to quantities, and I also made a bigger batch to fit my baking tray.  My tray is 32.5cm(12.8″)x18.5cm(7.3″) with a depth of 3.5cm(1.4″).  Don’t worry too much about the sizes though.  You could got for a smaller-but-deeper bake if you wanted.  It’ll just need a bit longer in the oven.  Or you could go for a square or round baking tin so long as your base comes in at around 500cm-600cm squared.  I like to cut my slices into small squares.  So I end up with 32 little slices out of this.  Of course, you can go bigger and get 18 slices out of it if you wish.

For this recipe, you’re simply going to make the crumble mixture in one bowl.  Then spoon out half of it into your baking tray and squash it down into a kind of crumbly biscuit.  Then you’re going to combine sugar, lemon juice, cornstarch and blueberries and layer this on your base.  The addition of the cornstarch is what helps to create that glossy, jammy look, and also stops the blueberries from just turning to liquid and seeping into the base.  Finally you’ll sprinkly the remaining crumble mixture on top, and bake until the topping is golden brown.

The Blueberry Crumble Slice Recipe:

Blueberry Crumble Bake

This Blueberry Crumble Slice are moreish little bites bursting with jammy juicy blueberry flavour. The biscuit base is actually just a compressed version of the crumble topping - super easy to make and something the whole family will love!

5 from 1 vote

Print Rate

Prep Time: 15 mins

Cook Time: 40 mins

Total Time: 55 mins

Course: Dessert

Cuisine: British

Servings: 32 bite-sized slices

Author: Nicky Corbishley

Ingredients

Crumble base and topping:

• 360 g plain/all purpose flour
• 1 tsp baking powder
• 230 g cold butter cut into small cubes
• 120 g white sugar
• 120 g light brown sugar
• 1/2 tsp salt
• 1 large egg beaten
• 1 tsp vanilla extract

Blueberry Filling:

• 450 g blueberries
• 120 g white sugar
• 2 tsp lemon juice
• 3 tsp cornstarch

UK (metric) - **Convert to US Measures**

Instructions

• Preheat your oven to 190c/375f. Line a 32.5cm(12.8")x18.5cm(7.3") tray with baking parchment and put to one side.
• First make your crumble. Place the flour, baking powder and cold butter cubes in a large bowl. Rub the butter into the flour using your fingertips until the mix resembles breadcrumbs. Don't worry if you have some large chunks in there - it adds to the texture. Add in the white and brown sugar, the salt, egg and vanilla extract, then give it a mix with your hands. Take approx. half of this mixture and place it into your prepared baking tray. Flatten the mixture down and squash it to the edges and corners.
• Take a medium sized bow and add your blueberries, sugar, lemon juice and cornstarch. Mix together gently and then layer this mixture on top of your crumble base. Sprinkle the remaining crumble mixture on top of the blueberries and place in the oven to cook for 40 minutes - until the topping looks golden brown.
• Take out of the oven and leave to cool in the tin before gently sliding the bake (baking parchment too) onto a cutting board. Slide out the baking parchment and cut the bake into 32 bite sized pieces or 18 larger pieces.

Recipe Notes

Wrapped in baking parchment and placed in a sealed container, this bake will keep for 2 days.

Nutritional Information

Nutrition Facts

Blueberry Crumble Bake

Amount Per Serving (46 g)

Calories 147 Calories from Fat 56

% Daily Value*

Fat 6.2g10%

Saturated Fat 3.8g19%

Cholesterol 21mg7%

Sodium 80mg3%

Potassium 48mg1%

Carbohydrates 22.2g7%

Fiber 0.6g2%

Sugar 12.6g14%

Protein 1.5g3%

Vitamin A 200IU4%

Vitamin C 3.3mg4%

Calcium 10mg1%

Iron 0.7mg4%

* Percent Daily Values are based on a 2000 calorie diet.

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p style=”text-align: center;”>  Nutritional info obtained from caloriecount.about.com per serving (based on 32 bite-sized servings)