Chocolate Mint Slice Bars

Name: Chocolate Mint Slice Bars
Prep time: 20 min
Total time: 2 h 20 min
Yield: 16 bars
Ingredients: 200g digestive biscuits, crushed; 100g unsalted butter, melted; 2 cups powdered sugar; 1/2 cup unsweetened cocoa powder; 2 cups dark chocolate, chopped; 1 cup heavy cream; 1 teaspoon peppermint extract; Green food coloring (optional)

Highlighted under: Baking & Desserts

I absolutely love making Chocolate Mint Slice Bars, especially when I want to impress friends or indulge in a sweet treat. The combination of the refreshing mint and rich chocolate is simply irresistible. This no-bake recipe allows the flavors to meld beautifully without the need for an oven, making it a perfect choice for any occasion. Whenever I make these bars, I always find it's hard to resist sneaking a piece before they’re fully set. Trust me, once you try these, they’ll quickly become a favorite in your recipe arsenal.

Created by

Jenna Rowland

Last updated on 2026-01-13T04:52:09.714Z

Making these Chocolate Mint Slice Bars was a delightful experience. I remember the moment when I first combined the melted chocolate with the creamy mint filling; the aroma alone was enough to make my mouth water. The best part? They can be prepared entirely without baking, meaning you can whip up this delightful treat in no time.

After numerous attempts to get the texture just right, I discovered that chilling the bars for a longer duration results in a firmer and richer bite. I like to use high-quality chocolate to enhance the flavor and ensure each bite is decadent and satisfying, ensuring the bars never last long!

        Why You’ll Love These Bars
        The refreshing mint flavor perfectly balances the rich, creamy chocolate.
No-bake simplicity makes this a quick and easy dessert.
Ideal for sharing at parties or potlucks and guaranteed to impress!

      

The Importance of Quality Chocolate

Choosing the right type of dark chocolate is crucial for achieving a rich, satisfying flavor in your Chocolate Mint Slice Bars. Opt for a chocolate with at least 70% cocoa for a more intense taste that complements the sweetness of the mint layer. Check for a shiny, smooth texture and avoid chocolate labeled as 'compound chocolate' as it lacks the same depth of flavor.

When melting the chocolate for the topping, use a double boiler to avoid direct heat, which can cause the chocolate to seize. If using a microwave, heat in 30-second intervals and stir in between. You want the chocolate to become glossy and smooth, without any graininess, which indicates overcooking.

Choosing Your Mint Flavor Profile

The addition of peppermint extract is key to enhancing the mint flavor in your bars. I suggest starting with the recommended teaspoon, then taste testing the mixture before adding more. This will help you avoid overwhelming the delicate balance of flavors. For a more natural approach, consider infusing your cream with fresh mint leaves for a subtle and fresh mint essence.

If you prefer a lighter mint flavor, reduce the amount of extract or skip the green food coloring—it won’t affect the taste significantly. The colors can be adjusted to your liking, but the rich chocolate and mint combination will shine through without it.

Ingredients

To prepare these delicious Chocolate Mint Slice Bars, gather the following ingredients:

Chocolate Mint Slice Ingredients

200g digestive biscuits, crushed
100g unsalted butter, melted
2 cups powdered sugar
1/2 cup unsweetened cocoa powder
2 cups dark chocolate, chopped
1 cup heavy cream
1 teaspoon peppermint extract
Green food coloring (optional)

Once you have all these ingredients ready, you're halfway to enjoying these delightful bars!

Instructions

Follow these simple steps to create your Chocolate Mint Slice Bars:

Prepare the Base

In a large bowl, combine the crushed digestive biscuits and melted butter until well mixed. Press this mixture firmly into the bottom of a lined baking dish to form a solid base.

Make the Mint Layer

In another bowl, whisk together the powdered sugar, cocoa powder, peppermint extract, and green food coloring if using. Add a little cream at a time until you achieve a spreadable consistency. Spread the mint mixture evenly over the biscuit base.

Prepare the Chocolate Topping

Melt the dark chocolate along with the remaining heavy cream over a double boiler or in a microwave until smooth. Pour the chocolate mixture over the mint layer, spreading it smoothly.

Chill and Serve

Refrigerate for at least 2 hours or until set. Once firm, cut into bars and serve chilled. Enjoy the delightful combination of chocolate and mint!

Serve these bars cold for the best texture and to fully enjoy the rich flavors!

Pro Tips

For an extra touch, sprinkle a little crushed peppermint candy on top before chilling to add a crunchy texture and festive look.

Storage and Make-Ahead Tips

These Chocolate Mint Slice Bars can be made ahead of time, making them an excellent choice for parties. Once you've cut them into bars, store them in an airtight container in the refrigerator. They should stay fresh for up to a week, though I often find they disappear faster than that!

To keep the bars in optimal condition, layer parchment paper between the bars if you're stacking them in a container. This prevents them from sticking together and maintains the integrity of each slice.

Variations to Try

Experimenting with toppings can elevate your Chocolate Mint Slice Bars. Try adding crushed nuts, like walnuts or pecans, on top of the chocolate layer for crunch, or sprinkle with sea salt to enhance the chocolate flavor. Another idea is to incorporate thin layers of flavored ganache, like orange or raspberry, between the chocolate and mint layers for an unexpected twist.

For a festive touch, especially around the holidays, consider adding crushed candy canes to the chocolate topping for a vibrant red and white finish. The candy cane pieces will bring additional mint flavor and a satisfying crunch, making your bars even more visually appealing.

Questions About Recipes

→ Can I use milk chocolate instead of dark chocolate?

Yes, you can use milk chocolate if you prefer a sweeter flavor, but it may alter the overall richness.

→ How long do these bars last in the fridge?

They can last up to a week in an airtight container in the fridge.

→ Can I freeze these bars?

Absolutely! Just ensure they are wrapped tightly to prevent freezer burn. They can last up to 3 months in the freezer.

→ What can I substitute for peppermint extract?

You can use spearmint extract or even vanilla extract if you prefer a milder flavor.