Chocolate Orange Pistachio Squares

Name: Chocolate Orange Pistachio Squares
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 16 squares
Ingredients: 1 cup all-purpose flour; 1/2 cup unsweetened cocoa powder; 1/2 cup granulated sugar; 1/4 teaspoon salt; 1/2 cup unsalted butter, melted; 1 large egg; 1 cup semi-sweet chocolate chips; 1/2 cup heavy cream; Zest of 1 large orange; 1/2 cup chopped toasted pistachios

Highlighted under: Sweet Baking Recipes

When I first experimented with the combination of chocolate, orange, and pistachios, I was amazed by how each flavor complemented the others. These Chocolate Orange Pistachio Squares have become a favorite in my home, perfect for both snacking and special occasions. The rich chocolate pairs beautifully with the bright, zesty orange, while the crunchy pistachios add an unexpected texture. I love how easy they are to make, and they pair perfectly with a cup of coffee or tea, making every bite a delightful experience.

Created by

Jessica Brown

Last updated on 2026-01-14T02:43:40.985Z

Creating these Chocolate Orange Pistachio Squares was an exciting journey for me. Initially, I was unsure how the flavors would blend, but the moment I incorporated zest from the fresh oranges into the chocolate ganache, I knew I was onto something special. The citrusy notes truly elevate the overall taste, giving it a refreshing quality that is often missing in desserts.

Another key to making these squares irresistible is the careful balance between the nuts and chocolate. I toasted the pistachios before adding them, which enhanced their flavor and crunchiness. The result is a delightful square that not only looks beautiful but also has a perfect bite, making it hard to resist just one!

Why You'll Love These Squares
Rich chocolate flavor paired with fresh orange zest
Creamy texture that melts in your mouth
Perfect for celebrations or as a sweet indulgence

Understanding the Ingredients

The base of the Chocolate Orange Pistachio Squares relies heavily on a mix of all-purpose flour and cocoa powder. The flour provides structure, while the cocoa powder adds a deep chocolatey flavor. Opting for unsweetened cocoa ensures that the sweetness of the squares comes from the granulated sugar, balancing the rich flavors perfectly. If you're looking for a gluten-free option, almond flour can be a fantastic substitute, though you may need to adjust the amounts slightly due to differences in texture.

For the ganache, the choice of chocolate chips is crucial. Semi-sweet chocolate chips lend just the right amount of sweetness to pair with the rich cocoa of the base. If you prefer a darker flavor, consider using dark chocolate chips, which will enhance the contrast with the bright orange zest. Don’t skip on the heavy cream, as it creates the luscious, creamy texture that makes the ganache a standout feature of these squares.

Techniques for Best Results

When preparing the base, be sure to mix until just combined to avoid overworking the batter, which can make the squares dense. After pouring the batter into the baking pan, a quick tip is to gently shake the pan to help level out the mixture evenly. Watch for its baking time carefully; checking with a toothpick is the best method to ensure the center is fully baked while keeping the edges moist and tender. The perfect bake should have set edges and a slightly soft center.

To make the ganache truly shine, melt the chocolate chips and heavy cream over low heat. Stir gently until the mixture is glossy, which usually takes about 3-5 minutes. Once you add the orange zest, let the ganache sit briefly off the heat. This resting period allows the flavors to meld beautifully, providing a burst of citrus with every bite. If your ganache feels too thick, a tablespoon of extra cream can help achieve the desired pourable consistency.

Ingredients

For the Base

1 cup all-purpose flour
1/2 cup unsweetened cocoa powder
1/2 cup granulated sugar
1/4 teaspoon salt
1/2 cup unsalted butter, melted
1 large egg

For the Ganache

1 cup semi-sweet chocolate chips
1/2 cup heavy cream
Zest of 1 large orange
1/2 cup chopped toasted pistachios

Make sure to use fresh orange zest for the best flavor!

Instructions

Prepare the Base

Preheat your oven to 350°F (175°C). In a medium bowl, combine the flour, cocoa powder, sugar, and salt. Stir in the melted butter and the egg until the mixture forms a smooth batter. Pour the batter into a greased 8x8 inch baking pan and spread evenly.

Bake the Base

Bake in the preheated oven for 25 minutes, or until a toothpick inserted into the center comes out clean. Let it cool in the pan while you prepare the ganache.

Make the Ganache

In a small saucepan over low heat, combine the chocolate chips and heavy cream, stirring until the chocolate is melted and the mixture is smooth. Remove from heat and stir in the orange zest.

Assemble the Squares

Pour the ganache over the cooled chocolate base and spread it evenly. Sprinkle the chopped pistachios on top. Refrigerate for at least 30 minutes to set.

Cut and Serve

Once set, cut into squares and serve. Enjoy the delightful flavors of chocolate, orange, and pistachio!

Store leftovers in an airtight container in the fridge for up to one week.

Pro Tips

Always use high-quality chocolate for the ganache to ensure the best flavor and texture.

Storage Tips

These Chocolate Orange Pistachio Squares can be stored in an airtight container in the refrigerator for up to one week. Be sure to separate layers with parchment paper to prevent sticking, which is important given the ganache's creamy texture. If you find yourself with leftovers, they make a delightful treat to enjoy with a cup of coffee or tea in the following days.

For longer storage, you can freeze the squares before cutting them. Simply wrap the cooled base in cling film and freeze for up to three months. When you’re ready to enjoy, thaw in the refrigerator overnight and then cut into squares. Prepare the ganache fresh to keep that smooth, creamy texture that makes these treats irresistible.

Variations to Consider

Experimenting with flavors can add a new twist to these squares. Consider substituting the orange zest with lemon or lime zest if you crave a different citrus profile. For a nutty twist, swap the pistachios for walnuts or almonds, which will still complement the chocolate and citrus beautifully. You can also drizzle additional melted chocolate on top of the ganache for an eye-catching finish.

If you’re looking to reduce sugar, use dark chocolate with a higher cocoa content for the ganache and reduce the sugar in the base by a couple of tablespoons. This subtle change can make a big difference in taste while maintaining the essential flavors of the recipe. Remember that balancing flavors is key, so adjust the orange zest according to your preference to achieve a bright, invigorating taste.

Questions About Recipes

→ Can I use milk chocolate instead of semi-sweet?

Yes, feel free to use milk chocolate if you prefer a sweeter taste!

→ How long do these squares last?

They can be stored in an airtight container in the refrigerator for up to a week.

→ Can I make these squares ahead of time?

Absolutely! They can be made a day in advance and stored until you're ready to serve.

→ Is there a vegan option for this recipe?

Yes, you can substitute the butter with coconut oil and the egg with a flax egg.