The Christmas Peppermint Slice is a delightful treat that perfectly combines creamy white chocolate with a hint of refreshing peppermint. It’s an easy, no-bake dessert that brings joy to any festive gathering. This slice is fun and tasty, making it a fabulous addition to your holiday celebrations or simply as a sweet treat for your family.

What Makes This Recipe Special
This recipe is special because it’s simple and quick to make, requiring no fancy techniques. It combines everyday ingredients and takes just a bit of time to prepare. The sweet, crunchy biscuit base paired with the creamy, minty topping makes it a crowd-pleaser. Kids can help with the fun parts, and you’ll create wonderful memories in the process.
How to Make Christmas Peppermint Slice
Making this slice is as easy as melting and mixing! You’ll start by creating a rich chocolate base, then top it with a creamy white chocolate layer. After a chill in the fridge, it becomes a perfectly set treat that slices beautifully. Follow the steps, and you’ll have a delicious dessert in no time.
What You Need
Ingredients for Christmas Peppermint Slice
- 250g butter
- ¼ cup cocoa powder
- 1 cup brown sugar
- 1 teaspoon vanilla extract
- ½ cup milk
- 2 packets (250g each) Marie or wine biscuits, crushed (not too finely)
- 190g white chocolate
- 1 tablespoon vegetable oil
- 1 teaspoon peppermint essence
- 100g Christmas M&Ms
- 4 candy canes, crushed

Step-by-Step
- Line a slice tin (approximately 19 x 29cm) with baking paper to prevent sticking and make removal easier once set.
- In a saucepan, melt together the butter, cocoa powder, and brown sugar over low heat, stirring continuously until the sugar dissolves completely. Remove from heat and stir in the vanilla extract and milk until the mixture is well combined.
- In a large mixing bowl, add the crushed biscuits and pour the chocolate mixture over them. Stir thoroughly until all the biscuit pieces are coated evenly with the chocolate mixture.
- Transfer the mixture into the prepared slice tin. Using the back of a metal spoon, press and smooth the surface evenly to create a compact base layer.
- Place the white chocolate, vegetable oil, and peppermint essence in a glass bowl. Microwave in 30-second intervals, stirring after each, until the chocolate is nearly melted. Remove and stir until fully melted and smooth.
- Pour the melted white chocolate mixture evenly over the chocolate biscuit base. Immediately sprinkle crushed candy canes and Christmas M&Ms evenly on top for a festive look.
- Place the slice in the refrigerator to chill for at least 4 hours until fully set and firm. Before slicing, remove it from the fridge about 20 minutes in advance to soften slightly, facilitating easier cutting into neat slices.
Best Ways to Enjoy It
This Christmas Peppermint Slice is perfect for holiday parties, lunchboxes, or as a sweet surprise for your family. Pair it with a warm cup of cocoa for cozy evenings or serve it alongside vanilla ice cream for an extra treat. It also makes a great gift when wrapped nicely.
How to Store Christmas Peppermint Slice
To keep your Christmas Peppermint Slice fresh, store it in an airtight container in the refrigerator. It will last up to a week. If you want to make it in advance, it can also be frozen. Just make sure to slice it before freezing for easy serving later.
Recipe Tips
- For a more intense peppermint flavor, add a bit more peppermint essence.
- Ensure not to overheat the white chocolate to prevent it from seizing.
- Use different kinds of biscuits to create unique flavors.
- Let the slice sit out for a bit before cutting for neater slices.
- If using an alternative sweetener, adjust the amounts accordingly for taste.
Variations & Swaps
- Substitute regular biscuits with gluten-free options for a gluten-free treat.
- Swap out peppermint for orange essence for a refreshing citrus flavor.
- Add a layer of nuts or dried fruit for added texture and flavor.
- Use dark chocolate instead of white for a richer taste.
- Create a fun kid-friendly version by adding colorful sprinkles on top instead of M&Ms.
FAQs
Can I make this ahead of time?
Yes, you can make this slice a few days in advance. Just store it in the refrigerator, and it’ll taste wonderful by the time you’re ready to serve it.
Can this be frozen?
Absolutely! You can freeze the slice for up to three months. Slice it beforehand and store it in an airtight container or freezer bag for easy access later.
How do I reheat it?
There’s no need to reheat this no-bake slice. Just let it sit at room temperature for a few minutes before slicing, if needed.
Can I substitute the biscuits?
Yes, you can use any type of plain biscuits you like. Just make sure they’re similar in texture to keep the crumb base cohesive.
What’s the best way to avoid common mistakes?
Ensure the chocolate is fully melted but not too hot when mixing with the biscuits to avoid uneven texture. Also, pressing the base firmly into the tin helps it stay together when sliced!

Christmas Peppermint Slice
Ingredients
Chocolate Biscuit Base
- 250 g butter Unsalted
- ¼ cup cocoa powder
- 1 cup brown sugar Packed
- 1 teaspoon vanilla extract
- ½ cup milk Any type
- 2 packets (250g each) Marie or wine biscuits, crushed Not too finely crushed
White Chocolate Topping
- 190 g white chocolate
- 1 tablespoon vegetable oil
- 1 teaspoon peppermint essence
- 100 g Christmas M&Ms
- 4 candy canes, crushed
Instructions
Preparation
- Line a slice tin (approximately 19 x 29cm) with baking paper.
- In a saucepan, melt butter, cocoa powder, and brown sugar over low heat, stirring until sugar dissolves.
- Remove from heat and stir in vanilla extract and milk until well combined.
- In a large bowl, add crushed biscuits and pour the chocolate mixture over them. Stir until all biscuit pieces are coated.
- Transfer the mixture to the prepared slice tin and press down evenly.
- In a glass bowl, microwave white chocolate, vegetable oil, and peppermint essence in 30-second intervals until melted and smooth.
- Pour the melted white chocolate over the biscuit base and sprinkle with crushed candy canes and M&Ms.
- Refrigerate for at least 4 hours until set. Slice after removing from fridge for 20 minutes.
