Looking for a delicious refrigerator cake recipe? Try this no bake “Kitchen Sink” refrigerator cake, a treat that’s simple, quick and easy to make with the kids. The best fridge cake recipes are often the simplest, and this one is a family favourite for a good reason.
Once you’ve mastered the basic recipe, you can add any ingredients you like. Some of our favourite fillings include (but aren’t limited to):
- Marshmallows
- Nuts
- Seeds
- Crushed digestive biscuits
- M&Ms
- Maltesers
- Chopped pieces of chocolate
- Sweets
- Meringue pieces
- Desiccated coconut
You can also add essences or extracts to change the overall flavour, such as mint, vanilla or orange.
Press the cake mixture into any shaped tin lined with cling film and chill until set. Or do as we do and press it into a tray lined with cling film before slicing into bars.
We call it the “Kitchen Sink Cake” because basically everything goes into it, apart from the kitchen sink!
This recipe makes a full baking tray of bars which, when cut up, gives you approximately 24 portions.
You may also enjoy: A Classic Treat! Chocolate Rice Krispie Buns
Kitchen Sink Refrigerator Cake Recipe
Makes approx 24 squares
Ingredients
- 150g butter
- 100g caster sugar
- 50g golden syrup
- 2 tbsp cocoa powder
- 300g of any filling combination of your choice (see list above)
Method
1. Take a large, wide-bottomed stainless steel saucepan with a sturdy handle, and add the butter, caster sugar, golden syrup and cocoa powder.
2. Place over a medium heat until the sugar dissolves completely and you have a syrup consistency.
3. Once dissolved, turn off the heat and pour in your chosen fillings. Stir into the syrup until they are completely coated.
4. Press the mixture into your chosen container (lined with cling film or very well greased) and chill for at least 1 hour before cutting into portions.
This recipe, and more, is available on Wholesome Ireland.
You may also enjoy: How to Make Chocolate Bark
Frequently Asked Questions
How long will kitchen sink refrigerator cake keep?
Stored in an airtight container in the fridge, this cake will keep well for several days, making it a handy make-ahead treat for lunchboxes or after-school snacks.
Can I freeze it?
Yes, kitchen sink cake freezes nicely. Cut into portions first, wrap well, and freeze so you can defrost just what you need.
Can I make it nut-free or allergy-friendly?
Absolutely — this recipe is easy to adapt. Simply swap the nuts for seeds, extra biscuit, or another filling from the list above to suit your family’s needs.
Have Your Say
Would your family go mad for this refrigerator cake? What would your favourite additions be? Leave a comment below and let us know — we’d love to hear from you!
More Family Recipes You’ll Love
If you enjoyed this no-bake treat, check out our other easy family recipes, including Chocolate Rice Krispie Buns and How to Make Chocolate Bark, both quick options for baking with the kids.
Browse our full collection of family food ideas for more simple, no-fuss recipes the whole family can enjoy together.
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