All-in-One Blackberry Cake

blackberry cake

Every year I’m surprised when blackberries are ripe in August. Blackberries should be an autumn fruit, designed for jam making and comforting crumbles. And yet this year I was picking them in burning sunshine, wondering how soon I could get back into the shade. The box I used to collect them steamed up in the time it took to get home as the berries had been so warmed by the sun.

Foraging for blackberries is an easy way to relax and unwind. It can be quite a mindful experience, despite the prickles, even in the heat. You’ll be amazed at how quickly you have gathered a decent amount: whether you just want enough to add to your breakfast, you’re planning to make jam or you just want to freeze them for later.

Freezing blackberries couldn’t be simpler: just rinse them thoroughly, allow them to air dry for a while and then spread them out in a single layer on a baking tray to freeze. Once they are frozen they can go into a bag and you can use any amount you need at any time: they won’t stick together. Take some out for your breakfast, use some for cakes and crumbles, or make your jam when you have the time and it’s not 30 degrees outside.

I have no idea where this recipe came from originally but my mum made a blackberry cake for us when we went to visit for the first time after lockdown. It barely lasted the afternoon and she passed on a copy of the recipe her friend had given her. This is my version.

All-in-one cakes are not my favourite way to bake but this works perfectly. It’s quick, simple and delicious. A hint of cinnamon and the layer of blackberries running through the middle make it that little bit different from your average cake.

You could make it dairy-free by using non-dairy margarine and gluten-free by using a gluten-free self raising flour alternative. It has a slightly crumbly texture so if that bothers you just add a teaspoon of xanthan gum to the recipe.



150g butter or non-dairy margarine, softened

120g caster sugar

100g ground almonds

180g SR flour

1 teaspoon ground cinnamon

1 teaspoon vanilla extract

1/2 teaspoon baking powder

1 egg

225g blackberries

Icing sugar, for dusting


Set the oven to 170°C.

Grease, and line the base of, an 8″ springform tin.

Put all the ingredients except the blackberries and icing sugar into a mixing bowl and beat until smooth and well combined.

Just the egg and vanilla extract to go in

Spread half the mixture over the base of tin and make sure it is smoothed out evenly.

Sprinkle over the blackberries evenly.

Add the remaining cake mixture and carefully smooth out again – try to avoid pulling up the blackberries.

making bl
Ready to bake

Bake for around 50 minutes to an hour, until golden and firm to the touch. A skewer inserted into the centre should come out clean.

blackberry cake
Leave to cool in the tin

Leave to cool in the tin and then remove from the baking tin.

Sprinkle with icing sugar and serve.

Categories: Baking, Cakes, Dairy-Free Baking, Desserts, Foraging, Fruit, Fruit picking, gluten free baking, healthy baking, Jam making and Preserves, Recipes, Uncategorized, Using Alternatives

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2 replies

  1. Hello, I’m new to your site, what wonderful recipes and pictures. Anxious to try this blackberry snack cake. A couple of questions, I’m in U.S., assume regular granulated white sugar can be used? Also, do you grind your won almonds, I have almond flour but it is finer than what I see pictured.
    PS I found your site while looking for a much older recipe for Paul Hollywood’s breadsticks which I want to make this weekend. Thank you for all the great effort you put into this blog.

    • Hi, thank you very much for your lovely comments. Yes, regular granulated sugar is always good to use instead of caster (caster is just slightly more finely ground). And yes, I do often grind my own almonds so they are coarser than shop-bought ground almonds (and I use the ones with the skin still on). Thank you and I hope you enjoy the blackberry cake!

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