Cutting flapjacks cleanly can be tricky if you've never done it before. Even when your flapjacks are perfectly baked, the slices might fall apart, stick to the knife, or have ragged, uneven edges, which can be so frustrating!
The key to clean cuts is understanding how flapjacks set and how to prepare them before cutting, which I'm going to explain in this post. I hope you find it helpful!
Before you go, check out my ultimate flapjack baking guide as well as my tips on how to fix greasy flapjacks, hard flapjacks and flapjacks that fall apart, to ensure yours hold together nicely from baking to cutting. Enjoy!
How flapjacks set
Flapjacks are a mixture of oats, butter, sugar, and syrup, and the melted liquids in there start to solidify as they cool. A good chewy flapjack will look underbaked when it first comes out of the oven, but will continue to bake in the tin slightly as it's cooling, creating a firmer texture.
Line your tin
The key to a neat flapjack slice is to first ensure they don't get stuck to the tin! Some recipes use tinfoil but due to the sticky nature of the golden syrup, I'd highly recommend baking/parchment paper instead. This will allow you to lift the flapjack out easily once it's set.
How To Score Flapjacks For Even Slices
Scoring your flapjacks is basically just creating guidelines of where you're going to cut them later. This prevents jagged edges.
To score flapjacks, use a sharp knife to make a shallow cut about halfway through. You don't need to cut all the way to the bottom; just create a light surface mark to guide your full cuts later.
The perfect time to score your flapjacks is about 5-10 minutes after they come out of the oven. Don't do it immediately as the flapjack will still be fragile and will cave inwards when you apply light pressure, creating unsightly cut lines later.
Let them cool properly
Once you've scored your flapjacks, leave them in the tin and let them cool completely. This will allow those ingredients to really firm up and create cohesive bars.
Cooling flapjacks to room temperature isn't enough. You'll need to leave them for a good 4 hours or so to let the ingredients set properly. If you want even cleaner slices, you can place the flapjack slab in the fridge for 1-2 hours before cutting. This is what I like to do as it creates a super chewy texture.
Cutting technique
When your flapjack is completely set, gently pull it out of the tin using the baking paper then place it onto a cutting board. Use a long, sharp knife to cut the flapjack using your score marks from earlier as a guide. You can wipe the knife clean in between cuts if your flapjacks are on the stickier side. Make sure to press down in one firm motion rather than 'sawing', which can cause uneven edges.
Gently peel them off the baking paper and enjoy!
Mistakes That Make Flapjacks Hard To Slice
- Cutting the flapjacks while they're warm
- Using too much syrup (a sticky mixture will cause uneven edges)
- Not scoring before cutting
- Cutting with a dull knife or using a sawing motion
I hope these tips help you get clean flapjack slices on your next batch. Let me know how you get on or if you've got any more tips you'd like me to add. Happy baking!
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