Chocolate Mint Slice Bars

Name: Chocolate Mint Slice Bars
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Yield: 12 bars
Ingredients: 200g digestive biscuits, crushed; 100g unsalted butter, melted; 2 tablespoons sugar; 200g powdered sugar; 2 tablespoons unsweetened cocoa powder; 2 tablespoons milk; 1 teaspoon peppermint extract; Green food coloring (optional); 200g dark chocolate, chopped; 1 tablespoon coconut oil

Highlighted under: Modern Baking Recipes

I absolutely love making Chocolate Mint Slice Bars, especially when I'm craving something sweet with a refreshing twist. The combination of rich chocolate and cool mint always brings a smile to my face. This recipe is easy to whip up and perfect for sharing at gatherings or just indulging after a long day. The layers of chocolate and mint create a visual delight as well as an explosion of flavor that you won't want to miss!

Created by

Marlowe Sinclair

Last updated on 2026-01-12T04:45:34.560Z

When I first made these Chocolate Mint Slice Bars, I was looking for a quick dessert that would satisfy my family's sweet cravings without requiring hours in the kitchen. I found that the key is to let each layer set properly before adding the next, which creates a delightful texture contrast. The combination of the smooth chocolate layer and the cooling mint filling is simply irresistible.

Over the years, I’ve experimented with various ratios of chocolate to mint and settled on this perfect balance. I love using a quality dark chocolate for the topping because it adds depth to the bar’s flavor. Plus, the bars keep well, making them a great option for meal prep or unexpected guests!

        Why You'll Love This Recipe
        The invigorating flavor of mint perfectly complements the rich chocolate layer.
No-bake recipe, making it a convenient treat to prepare.
Beautifully layered, making it perfect for special occasions or as a gift.

      

Perfecting Your Chocolate Mint Slice Bars

Achieving the ideal texture for your Chocolate Mint Slice Bars is all about the right balance of ingredients. The crushed digestive biscuits form the base, providing both a satisfying crunch and a buttery flavor that complements the rich chocolate. Make sure to pack the crust tightly into the baking dish; this will help it maintain its shape when cut. If the mixture seems too crumbly, you can add a teaspoon of melted butter until it holds together better.

For the mint filling, using powdered sugar is key as it dissolves quickly, ensuring a smooth, creamy layer. If you've got a sweet tooth, feel free to adjust the sugar levels slightly–just remember that too much sugar can cause the filling to become overly sticky and difficult to slice cleanly. The peppermint extract not only adds flavor but also gives your bars that refreshing zing, so don’t skimp on it!

Common Troubleshooting Tips

When preparing the chocolate topping, ensure that you melt the chocolate gently. Using a microwave can be tricky, as chocolate can seize up if overheated. Start with short bursts of heat, around 20-30 seconds, stirring in between until it’s just melted and glossy. If your chocolate does seize, you can add a small amount of coconut oil to help smooth it out again.

If the topping doesn’t set correctly, try chilling the bars longer in the refrigerator. However, if you find that the chocolate simply won’t harden, it may be due to too much moisture in the mint layer. Make sure your layers are entirely cool before adding the topping, which helps avoid condensation that can prevent the chocolate from solidifying.

Storage and Serving Suggestions

These Chocolate Mint Slice Bars store exceptionally well, making them a fantastic treat to prepare in advance. Once sliced, keep them in an airtight container in the refrigerator for up to two weeks. For longer storage, consider freezing the bars. Individually wrap slices in plastic wrap, then store them in a freezer-safe container for up to three months. Just remember to allow them to thaw in the refrigerator before serving to maintain their texture.

These bars are a crowd-pleaser but can also be tailored to suit different tastes. For a richer flavor, consider adding a layer of crushed peppermint candy or a sprinkle of sea salt over the chocolate topping before chilling it. You can also swap out dark chocolate for milk chocolate if you prefer a sweeter result. Each variation will bring a unique twist while still keeping that delightful chocolate-mint experience!

Ingredients

Gather the following ingredients before you start making these delicious bars:

For the Base:

200g digestive biscuits, crushed
100g unsalted butter, melted
2 tablespoons sugar

For the Mint Filling:

200g powdered sugar
2 tablespoons unsweetened cocoa powder
2 tablespoons milk
1 teaspoon peppermint extract
Green food coloring (optional)

For the Topping:

200g dark chocolate, chopped
1 tablespoon coconut oil

Make sure to prepare your ingredients in advance for the best results!

Instructions

Follow these steps to create your Chocolate Mint Slice Bars:

Prepare the Base

In a mixing bowl, combine the crushed digestive biscuits, melted butter, and sugar. Press the mixture firmly into the bottom of a lined baking dish. Chill in the refrigerator for 10 minutes to set.

Make the Mint Filling

In a separate bowl, mix the powdered sugar, cocoa powder, milk, peppermint extract, and food coloring if desired. Stir until smooth and spread it evenly over the chilled base. Return to the refrigerator for another 10 minutes.

Prepare the Chocolate Topping

Melt the dark chocolate and coconut oil together in a microwave-safe bowl, stirring until smooth. Pour over the mint layer and spread evenly. Chill for 15 minutes until set.

Slice and Serve

Once set, lift the bars out of the baking dish using the lining. Cut into squares or rectangles and serve. Enjoy the delicious layers!

Store any leftovers in an airtight container in the fridge to maintain freshness.

Pro Tips

To enhance the chocolate flavor, use high-quality dark chocolate for the topping. If you're feeling adventurous, consider drizzling white chocolate on top for a beautiful contrast.

Using Alternative Ingredients

If you're looking to make your Chocolate Mint Slice Bars gluten-free, simply substitute the digestive biscuits with gluten-free cookies. The flavor might differ slightly, so consider options like almond or coconut cookies for a sweeter hint. Additionally, using dairy-free butter will help accommodate those who are vegan or lactose intolerant, ensuring everyone can enjoy this delightful treat.

For those who want to adjust the sweetness level, maple syrup or agave nectar can be used in place of the powdered sugar in the mint filling. Just keep in mind that using a liquid sweetener may alter the consistency slightly, so add it gradually and adjust the cocoa powder to maintain the desired texture.

Creative Serving Ideas

When serving your Chocolate Mint Slice Bars, consider elevating the presentation with a drizzle of chocolate sauce or a dusting of cocoa powder and finely chopped mint leaves. This not only enhances the visual appeal but also reinforces those wonderful minty and chocolate flavors. Pairing with a scoop of vanilla ice cream or a dollop of whipped cream can take your serving to the next level, creating a perfect contrast of creamy and cool textures.

For celebrations or gifts, cut the bars into intricate shapes using cookie cutters instead of standard squares. Wrapping them in decorative paper or placing them in a nice box will turn your homemade treat into a thoughtful gift. This way, your loved ones can experience the joy of that refreshing mint-chocolate combination, no matter the occasion!

Questions About Recipes

→ Can I use a different type of cookie for the base?

Yes, you can substitute with graham crackers or Oreo cookies for a different flavor profile.

→ How long do these bars last in the fridge?

They can last up to one week when stored in an airtight container.

→ Can I make this recipe vegan?

Yes, substitute the butter with a vegan alternative and ensure the chocolate is dairy-free.

→ Is it necessary to chill the layers?

Chilling is crucial for achieving the right texture and ensuring the layers set properly before cutting.