Chocolate Mint Slice Bars

Name: Chocolate Mint Slice Bars
Prep time: 25 min
Cook time: 15 min
Total time: 40 min
Yield: 12 bars
Ingredients: 200g digestive biscuits, crushed; 100g unsalted butter, melted; 300g dark chocolate, chopped; 1 can (400g) sweetened condensed milk; 1 tsp peppermint extract; 2 cups powdered sugar; Green food coloring (optional); Sprinkles or chocolate shavings (for garnish)

Highlighted under: Baking & Desserts

I absolutely love making Chocolate Mint Slice Bars for a delightful treat that combines two of my favorite flavors. The rich chocolate pairs so beautifully with the refreshing mint, making it a next-level indulgence. Each bite offers a creamy, melt-in-your-mouth texture that feels incredibly luxurious. These bars are perfect for gatherings or a sweet pick-me-up during the week. Plus, they are surprisingly easy to prepare! I can't wait for you to try this recipe and enjoy these bars as much as I do.

Created by

Aubrey Collins

Last updated on 2026-01-05T23:31:16.350Z

When I first decided to recreate the classic Chocolate Mint Slice Bars, I knew I had to perfect the balance of flavors. After some trial and error, I found that using fresh mint extract truly elevates the taste. It brings a brightness that complements the rich chocolate base wonderfully.

One key tip I discovered is to let the bars chill thoroughly in the fridge before cutting them. This not only helps the layers set nicely but also enhances the flavors, making each bar taste even better. I can assure you, it's worth the wait!

        Why You Will Love This Recipe
        Rich chocolate flavor paired with fresh mint essence
Creamy texture that melts in your mouth
Perfect for celebrations or as a sweet indulgence

      

Understanding the Ingredients

The key to achieving the perfect base for your Chocolate Mint Slice Bars lies in the selection of ingredients, particularly the digestive biscuits. These biscuits provide a slight sweetness and a crumbly texture, which forms the foundation of the bars. If you don't have digestive biscuits, you can substitute them with graham crackers or even crushed oatmeal cookies for a unique twist. Just make sure to adjust the sugar content in the mixture accordingly, as some substitutes may be sweeter than digestives.

The use of dark chocolate is essential, not only for its intense flavor but also for its ability to create a smooth, glossy topping. I recommend using chocolate with at least 70% cocoa for a rich taste. When melting the chocolate, be cautious: microwave in 20-second bursts, stirring after each burst, until fully melted to avoid burning. Burnt chocolate can cause a grainy texture, which isn't ideal for topping your bars.

Perfecting the Mint Layer

Getting the mint layer just right is crucial for this recipe. The balance between sweet and minty should be harmonious, achieved with the right amount of peppermint extract. Start with 1 teaspoon, but feel free to add more to taste; some variations may go up to 1.5 teaspoons for a bolder mint flavor. If you find the mint extract too strong, you can balance the flavor with a slight increase in powdered sugar, ensuring that the texture remains delightful while achieving the desired level of sweetness.

For a festive look, adding green food coloring to the mint layer can make the bars visually appealing, especially around holidays like St. Patrick's Day. Just a few drops are sufficient; too much may overpower the mint's natural hue. Mix it in gradually until you achieve the desired shade, keeping in mind that the color can appear darker once chilled.

Ingredients

Gather these ingredients to create these delicious bars:

Ingredients

200g digestive biscuits, crushed
100g unsalted butter, melted
300g dark chocolate, chopped
1 can (400g) sweetened condensed milk
1 tsp peppermint extract
2 cups powdered sugar
Green food coloring (optional)
Sprinkles or chocolate shavings (for garnish)

Make sure to have these ingredients ready before you begin!

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. Mix until evenly combined. Press this mixture firmly into the bottom of a greased 8x8 inch baking pan to form the base layer.

Make the Mint Layer

In a separate bowl, mix the sweetened condensed milk, powdered sugar, peppermint extract, and a few drops of green food coloring (if using) until a smooth paste forms. Spread this mixture evenly over the biscuit base.

Add the Chocolate Topping

Melt the dark chocolate in a microwave or double boiler until smooth. Pour it over the mint layer and gently spread it to cover completely. Place the pan in the fridge for at least 30 minutes to set.

Slice and Serve

Once set, remove the bars from the pan and cut them into squares. Top with sprinkles or chocolate shavings if desired. Enjoy your delicious Chocolate Mint Slice Bars!

These bars can be stored in the fridge for up to a week—if they last that long!

Pro Tips

For an extra touch, consider adding chopped mint leaves to the mint layer or experimenting with different types of chocolate for the topping.

Serving Suggestions

These Chocolate Mint Slice Bars are incredibly flexible when it comes to serving. You can serve them as is or dress them up for special occasions. A dollop of whipped cream or a scoop of vanilla ice cream on the side elevates the experience, creating a delightful contrast with the bars' rich chocolate and creamy mint layers. Additionally, drizzling melted chocolate over the top just before serving can enhance their presentation and flavor.

For a more festive touch, consider garnishing each square with crushed peppermint candies or edible glitter. Not only does this add an extra pop of flavor, but it also makes the bars visually stunning and perfect for holiday parties.

Make-Ahead and Storage Tips

These bars can be made up to a week in advance, making them an ideal treat for busy weeks or party prep. Once fully set, store the sliced bars in an airtight container in the refrigerator. To prevent them from sticking together, you can separate layers with parchment paper while storing.

If you want to extend their shelf life, these bars also freeze excellently. Wrap the individual slices tightly in plastic wrap and place them in a freezer-safe container. They can be frozen for up to three months. To enjoy, simply thaw them in the fridge overnight. This makes them perfect for unexpected guests or cravings, allowing you to always have a delightful treat on hand.

Questions About Recipes

→ Can I use a different type of biscuit?

Yes, you can use any similar type of biscuit, such as Graham crackers or Oreos for a different flavor.

→ Is it possible to make these bars dairy-free?

Absolutely! You can swap the butter with a dairy-free alternative and use coconut condensed milk.

→ How can I store the left-over bars?

Store them in an airtight container in the refrigerator for up to a week.

→ Can I freeze these bars?

Yes, they freeze well. Just make sure to wrap them tightly in plastic film and then in foil.