Name: Mary Berry Rock Cake Recipe
Prep time: 15 min
Cook time: 18 min
Total time: 35 min
Ingredients: 225g self-raising flour; 1 tsp baking powder; 100g cold unsalted butter, cut into small cubes; 75g golden caster sugar; 100g mixed dried fruit (sultanas, currants, or a mix); 25g glacé cherries, roughly chopped; 1 tsp mixed spice; finely grated zest of 1 lemon; 1 large egg, beaten; 2 tbsp whole milk; 1 tbsp demerara sugar, for sprinkling

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These rock cakes have a golden, lightly crisped exterior that gives way to a soft, crumbly interior packed with plump dried fruit. The texture sits somewhere between a scone and a fruit cake, dense enough to hold its shape but tender enough to pull apart easily. This version keeps the method straightforward, using just one bowl and minimal equipment, which makes it a reliable choice for beginners and a quick option on busy afternoons. The rough, uneven tops are part of their charm and require no shaping skill at all. From start to finish, they are ready in around 35 minutes.

Ingredients

For the rock cakes

225g self-raising flour
1 tsp baking powder
100g cold unsalted butter, cut into small cubes
75g golden caster sugar
100g mixed dried fruit (sultanas, currants, or a mix)
25g glacé cherries, roughly chopped
1 tsp mixed spice
Finely grated zest of 1 lemon
1 large egg, beaten
2 tbsp whole milk

To finish

1 tbsp demerara sugar, for sprinkling

How to Make Mary Berry Rock Cake Recipe

Preheat the oven: Set the oven to 200°C (180°C fan) and line a large baking tray with non-stick baking paper. A well-lined tray prevents the sugary fruit from sticking to the base during baking.
Combine the dry ingredients: Sift the self-raising flour and baking powder into a large mixing bowl, then add the mixed spice and lemon zest. Stir briefly to distribute everything evenly.
Rub in the butter: Add the cold cubed butter to the flour mixture and rub it in with your fingertips until the mixture resembles coarse breadcrumbs. Work quickly so the butter stays cold, as this is what creates the crumbly finish in the baked cakes.
Add the sugar and fruit: Stir in the golden caster sugar, mixed dried fruit, and chopped glacé cherries until evenly distributed through the crumb mixture.
Bring together the dough: Make a well in the centre and pour in the beaten egg and milk. Mix with a fork or round-bladed knife until a rough, stiff dough forms. The mixture should just come together without being smooth.
Portion onto the tray: Using two forks or a dessertspoon, heap the mixture into 8 rough mounds on the prepared baking tray, spacing them well apart. Do not smooth or flatten them, as the craggy surface is what gives rock cakes their distinctive look and name.
Sprinkle with sugar: Scatter the demerara sugar generously over each mound. This adds a light crunch to the baked tops and a subtle caramel finish.
Bake until golden: Place the tray on the middle shelf of the oven and bake for 15 to 18 minutes, until the cakes are a deep golden brown on the peaks and firm to the touch at the base. Transfer to a wire rack and leave to cool for at least 10 minutes before eating.

Tips for the Best Rock Cakes

Why are my rock cakes spreading flat instead of holding their shape?

The dough was too wet. Add the milk gradually, one tablespoon at a time, and stop as soon as the mixture comes together into a stiff, shaggy dough. Soft dough spreads in the oven and loses the characteristic rocky texture.

Why do my rock cakes come out dry and crumbly all the way through?

Over-baking is the most common cause. Pull them from the oven as soon as the tops are golden and the bases feel firm when tapped. They continue to set as they cool on the rack, so a slightly underdone-looking centre is fine when you remove them.

How do I stop the fruit from burning on the outside of the cakes?

Make sure the dried fruit and cherries are folded into the dough rather than sitting on the surface. Press any visible fruit pieces gently into the mound before baking, as exposed fruit can scorch at the higher temperature needed to bake the dough through.

Why are my rock cakes too dense and heavy?

This usually happens when the butter has been overworked during rubbing in, or when the dough has been mixed too vigorously after adding the egg and milk. Handle the mixture as lightly as possible once the liquid goes in, stopping as soon as a rough dough forms.

My rock cakes look pale even after 18 minutes. What should I do?

Oven temperatures vary significantly. If the cakes look under-coloured after 18 minutes, increase the temperature by 10°C and give them another 3 to 4 minutes. Check the base of one cake by lifting it with a palette knife. A golden, firm base is the most reliable sign of doneness.

Serving Suggestions

Serve warm from the rack with a small pat of salted butter pressed into the crumb while still slightly hot.
Pair with a strong cup of builder’s tea or a pot of Assam for a classic afternoon tea spread.
Arrange on a tiered cake stand alongside sandwiches and scones for a simple homemade afternoon tea.
Serve with a thin spread of lemon curd for a sharper contrast to the sweetness of the dried fruit.
Pack individually in paper bags as a homemade gift or a school bake sale contribution, as they travel well and hold their shape without needing refrigeration.

Storage

Room temperature

Store cooled rock cakes in an airtight tin or container at room temperature for up to 3 days.

Refrigerator

Rock cakes can be kept in a sealed container in the fridge for up to 5 days. Bring them to room temperature for 20 to 30 minutes before eating, as cold storage can make the texture feel denser and slightly dry.

Freezing

Wrap each cooled rock cake individually in cling film, then place in a zip-lock freezer bag and freeze for up to 2 months. To defrost, remove from the freezer and leave at room temperature for 1 to 2 hours, or warm briefly in an oven at 160°C for 5 minutes to refresh the crust.

Nutrition

Calories: 245 kcal
Carbohydrates: 36g
Protein: 4g
Fat: 10g
Saturated Fat: 6g
Sodium: 120mg

Nutrition values are estimates based on standard ingredients and may vary depending on the specific brands and serving size used.

FAQs

Can I use plain flour instead of self-raising flour for rock cakes?

Yes. Replace the self-raising flour with plain flour and increase the baking powder to 3 teaspoons. Sift them together thoroughly before rubbing in the butter to make sure the raising agent is evenly distributed.

Can I swap the mixed dried fruit for different dried fruit in this recipe?

Absolutely. Raisins, dried cranberries, chopped dried apricots, or a combination all work well. Just keep the total weight at 100g to maintain the right dough consistency. Avoid very moist fruits like dried dates, as they can make the dough sticky.

Can I make the rock cake dough ahead of time?

The dough can be made up to the point of portioning, then covered and refrigerated for up to an hour before baking. Do not leave it much longer than that, as the baking powder begins to activate once mixed and the cakes may not rise as well if the dough is left to sit too long.

Can I double this rock cake recipe to make a larger batch?

Yes, this recipe doubles straightforwardly. Simply scale all ingredients by two and bake in two batches on separate trays, one at a time on the middle shelf, for even results. Crowding the tray can cause uneven browning.

Are these rock cakes suitable for children to make?

Rock cakes are an excellent recipe for children to make with adult supervision. The rubbing-in method is a tactile, simple technique, and there is no piping, rolling, or precise shaping involved. Children can portion the mounds directly onto the tray, which requires no skill and produces a good result every time.

Conclusion

This Mary Berry rock cake recipe delivers everything a classic bake should: a golden, craggy crust, a soft and fruity interior, and a reliable result every time you make it. The method is minimal, the ingredients are pantry staples, and the whole batch is on the cooling rack in under 40 minutes. Each recipe makes 8 generously sized rock cakes, which is enough for a family afternoon tea or a week of packed lunches. The demerara topping adds just enough texture on the outside to make them feel considered rather than thrown together.

Whether baking for a school event, a weekend treat, or a quiet afternoon in the kitchen, these rock cakes are a dependable choice. If you try this recipe, leave a comment below to share how yours turned out, and feel free to pass it on to anyone who enjoys traditional British baking. If you enjoyed this, you might also like the Mary Berry mince pies recipe, another classic that comes together with very little fuss and never disappoints.