Lemon Slice is Quick, Easy & Delicious
One of the best things about this no-bake lemon slice is how simple it is to make. With just a handful of ingredients and a few quick steps, you’ll have a sweet, citrusy treat ready to go.
Unlike baked slices, this recipe doesn’t require any complicated techniques or waiting for the oven to preheat. Instead, it’s just a matter of mixing, pressing, and chilling—ideal for when you need a last-minute dessert or something special for a gathering.
This lemon slice is also incredibly versatile. You can make it gluten-free, adjust the icing to be extra thick or thin, or even experiment with different citrus fruits for a fun twist. No matter how you enjoy it, one thing’s for sure: this lemon slice will melt in your mouth!
How to Get the Perfect No-Bake Lemon Slice Every Time
A good lemon slice is all about the balance of textures and flavours. Here are some essential tips to ensure you get the perfect result every time.
1. Choose the Best Biscuits for the Base 🍪
The base of this slice is made from crushed digestive biscuits, which provide the perfect level of crunch and a slightly sweet flavour that pairs beautifully with the lemon.
Alternative biscuit options:
- Marie biscuits – A milder flavour that lets the lemon shine.
- Arrowroot biscuits – Great for a slightly firmer texture.
- Graham crackers – If you’re making this outside of Australia.
- Gluten-free biscuits – To make this slice suitable for those avoiding gluten.
No matter which biscuits you choose, make sure they are crushed into fine crumbs for the best texture. A food processor makes this easy, but you can also place the biscuits in a sealed bag and crush them with a rolling pin.
2. Fork Pokes = Maximum Flavour Absorption
The key to the best lemon slice is fresh lemon juice and zest. Bottled lemon juice doesn’t have the same brightness, so it’s worth taking the extra minute to squeeze fresh lemons.
Pro Tip: Zest your lemons before juicing them! It’s much easier, and you’ll get every bit of that fragrant lemony goodness.
3. Perfecting the Lemon Icing 🍰
A smooth, tangy icing is what sets this slice apart. It should be thick enough to set properly but still soft and creamy. Here’s how to get it just right:
- If the icing is too thin: Add more icing sugar, a little at a time, until it thickens.
- If the icing is too thick: Add a small amount of extra lemon juice or warm water to loosen it.
- Want a richer icing? Use full-fat butter for a creamier finish.
- Gluten-free biscuits – To make this slice suitable for those avoiding gluten.
Once the icing is made, spread it evenly over the biscuit base and smooth it with an offset spatula or the back of a spoon for a neat finish.
4. Let It Set Properly ❄️
Patience is key! Your lemon slice needs time to firm up in the fridge. Ideally, chill it for at least 2 hours, but overnight is even better. This ensures clean slices when you cut it and helps the flavours meld beautifully.
Pro Tip: If you’re in a rush, place it in the freezer for 30-40 minutes to speed up the setting process.
Serving Ideas for Lemon Slice
This lemon slice is fantastic on its own, but here are some fun ways to enjoy it:
- With a cup of tea or coffee – A perfect balance of sweet and citrusy. ☕
- As a fancy dessert – Serve with a scoop of vanilla ice cream. 🍦
- With fresh fruit – Strawberries, blueberries, or raspberries make a beautiful garnish. 🍓
- Dusted with coconut – A light sprinkle of desiccated coconut adds a lovely texture. 🥥
This slice is also great for gifting! Cut it into neat squares, pop it into a pretty tin, and you’ve got a homemade treat that anyone would love.
Storage Tips: Keep Your Lemon Slice Fresh & Delicious
One of the best things about this no-bake lemon slice is that it keeps beautifully. Here’s how to store it:
Here’s how to store it:
- In the fridge: Store in an airtight container for up to 1 week.
- In the freezer: Freeze in a sealed container for up to 3 months. Let it thaw slightly before serving. If freezing, consider placing baking paper between slices to prevent them from sticking together.
- At room temperature: Not recommended, as the icing can soften too much.
More Treats to Try!
Do you love your treats? Here are some more delicious, fuss-free recipes:
📸 Tried this recipe? I’d love to see your creation! Snap a pic and tag me on Instagram @steph_cooks_stuff
Lemon Slice
This no-bake lemon slice is creamy, buttery, and bursting with lemon flavour. The best part? No oven needed! Just mix, chill, and enjoy. Perfect for lunchboxes, afternoon tea, or when you need a citrusy pick-me-up!
Prep Time 30 minutes 
Total Time 30 minutes 
Ingredients
Equipment
Method
- Blitz the biscuits in a food processor until they look like sand.
- Pour in the melted butter, sweetened condensed milk, and lemon zest, then mix again until well combined.
- Press the mixture into a lined slice tray and smooth it out evenly. Pop it in the fridge while you make the icing.
- For the icing, whisk together the icing sugar, butter, and lemon juice until smooth.
- Pour over the chilled biscuit base and spread evenly.
- Pop back in the fridge until set. Slice, serve, and enjoy! ????????
Nutrition
Video
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Frequently Asked Questions
Can I make this lemon slice gluten-free?
Yes! Simply replace the digestive biscuits with gluten-free biscuits. Everything else in the recipe is naturally gluten-free.
Can I use limes or oranges instead of lemons?
Absolutely! Lime gives a slightly sharper taste, while orange makes for a sweeter, milder slice.
How do I make a thicker icing layer?
For a thicker icing, increase the icing sugar and butter slightly while reducing the lemon juice. This will create a richer, more substantial topping.
