
Why you’ll love this Concrete Cake & Custard
- That iconic crunchy sugar top with a soft, fudgy centre
- Simple, no-fuss recipe with basic pantry ingredients
- Egg-free, making it great for more dietary needs
- Nostalgic school dinner vibes in every bite
- Perfect with custard for the ultimate comfort dessert

How to make Concrete Cake & Custard
Ingredients
- 135g self-raising flour
- 25–30g cocoa powder
- 135g caster sugar
- 135g unsalted butter (melted)
- 70–80ml milk
- ½ tsp vanilla extract (optional)
For the topping:
- 2–3 tbsp sugar

Instructions
- Preheat oven to 180°C (160°C fan).
- Mix dry ingredients, then stir in melted butter.
- Add milk gradually to form a thick, firm mixture.
- Press into a lined 8×8 tin evenly.
- Sprinkle sugar over the top.
- Bake for 22–28 minutes (slightly longer as it’s thicker).
- Cool slightly, then slice.

Storage Tips
- Room temperature (best): Store in an airtight container for up to 3–4 days to keep the top crunchy and the inside soft
- Avoid the fridge: It can make the cake go hard and lose that fudgy texture
- Keep it covered: Stops it drying out and keeps the sugar topping crisp
- Reheat to refresh: Microwave for 10–15 seconds to bring back that soft centre
- Freezing option: Wrap slices individually and freeze for up to 2 months, defrost at room temperature and warm slightly before serving


Concrete Cake & Custard
A nostalgic, egg-free chocolate traybake with a crunchy sugar top and soft, fudgy centre
Ingredients
Method
- Preheat oven to 180°C (160°C fan).
- Mix dry ingredients, then stir in melted butter.
- Add milk gradually to form a thick, firm mixture.
- Press into a lined 8×8 tin evenly.
- Sprinkle sugar over the top.
- Bake for 22–28 minutes (slightly longer as it’s thicker).
- Cool slightly, then slice.




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