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Apple Blackberry Bars

Posted by Chandan Singh on 11-09-2026

Food Recipes

These apple and blackberry bars combine the comforting flavours of seasonal fruit with the rich, nutty taste of browned butter. The dessert sits somewhere between a cake, crumble and slice, with a buttery base, juicy fruit filling and a golden topping that adds texture.

The recipe is designed to make the most of late-summer and early-autumn produce. Apples provide sweetness and structure, while blackberries bring colour, acidity and a deep berry flavour that balances the richness of the butter.

Brown Butter Apple and Blackberry Bars

Makes: 16 squares

Preparation time: around 30 minutes

Cooking time: around 45–50 minutes

Ingredients:

For the brown butter mixture:

200g unsalted butter

150g caster sugar

60g brown sugar

1 tsp vanilla extract

2 large eggs

250g plain flour

1 tsp baking powder

½ tsp fine salt

For the fruit layer:

3 medium apples, peeled, cored and thinly sliced

200g blackberries

2 tbsp caster sugar

1 tbsp lemon juice

1 tsp cornflour

For the topping:

60g plain flour

50g rolled oats

40g brown sugar

50g unsalted butter, melted

A pinch of salt

Prepare the Brown Butter

Start by browning the butter, which gives the bars their distinctive flavour. Melt the butter in a saucepan over medium heat, stirring regularly until the milk solids turn golden and the butter develops a nutty aroma.

Remove from the heat and allow it to cool slightly. Browning the butter adds depth and a caramel-like richness that works particularly well with apples and berries.

In a large bowl, combine the browned butter with both sugars and vanilla extract. Add the eggs and mix until smooth.

Create the Batter and Fruit Layer

Mix the flour, baking powder and salt separately, then gradually add the dry ingredients to the butter mixture. Stir until a thick batter forms.

Line a baking tin with baking paper and spread the mixture evenly across the base.

For the fruit filling, combine the sliced apples and blackberries with sugar, lemon juice and cornflour. The cornflour helps absorb some of the fruit juices during baking, preventing the bars from becoming too wet.

Spread the fruit mixture over the batter, making sure the apples and berries are evenly distributed.

Add the Crumble Topping

Prepare the topping by combining flour, oats, brown sugar and salt. Add the melted butter and mix until the mixture forms small clumps.

Scatter the crumble evenly over the fruit layer. This creates a crisp golden surface that contrasts with the soft fruit beneath.

Bake until the top is golden and the fruit is tender. The exact timing will depend on the size and depth of the baking tin, but the bars are usually ready after around 45–50 minutes.

Cool and Serve

Allow the dessert to cool completely before cutting into squares. This helps the layers set and makes slicing easier.

The bars can be served on their own or with a spoonful of yoghurt for a lighter finish. They are also suitable for preparing ahead, as the flavours become even more developed after resting.

A Seasonal Dessert Worth Making

The appeal of these apple and blackberry bars lies in their balance. The browned butter adds warmth and richness, the fruit provides freshness, and the crumble topping brings a satisfying texture.

Using simple ingredients and classic baking techniques, the recipe transforms seasonal produce into a dessert that feels both familiar and special — perfect for enjoying as summer turns into autumn.