Chocolate Orange Pistachio Squares

Name: Chocolate Orange Pistachio Squares
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Yield: 16 squares
Ingredients: 200g dark chocolate, chopped; 100g unsalted butter; 3 large eggs; 150g granulated sugar; 1 teaspoon vanilla extract; Zest of 1 orange; 80g all-purpose flour; 100g pistachios, chopped; Extra pistachios; Orange slices

Highlighted under: Homemade Baking Collection

I absolutely love these Chocolate Orange Pistachio Squares! The combination of rich chocolate, zesty orange, and crunchy pistachios makes for an indulgent treat that's perfect for any occasion. I always find myself reaching for these delightful squares when I need a pick-me-up or want to impress guests. The balance of flavors is truly satisfying, and the presentation is stunning, making them ideal for gatherings or afternoon snacks. Trust me, once you try them, you’ll be hooked on this deliciously unique treat!

Created by

Rosamund Blake

Last updated on 2026-01-14T08:25:35.110Z

When I first experimented with this recipe, I wanted to create something that would combine the richness of dark chocolate with the brightness of orange zest. The addition of crushed pistachios not only enhances the texture but also adds a lovely nutty flavor. I've made these squares for gatherings, and they always disappear quickly. My secret is to let them cool completely in the refrigerator before cutting; it helps with achieving clean edges.

Over time, I’ve fine-tuned the balance of chocolate and orange, ensuring that each bite brings a burst of citrus paired with velvety chocolate. One tip I recommend is using high-quality dark chocolate for the best flavor. Paired with zest from fresh oranges, it elevates this simple recipe to gourmet status. Trust me, your taste buds will thank you!

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

      

Unlocking the Chocolate Orange Flavor

The key to achieving a rich chocolate flavor is using high-quality dark chocolate. Look for chocolate that contains at least 70% cocoa solids to ensure a deep, complex flavor that stands up against the zestiness of the orange. When melted, the chocolate should be silky and glossy, which indicates that it's perfectly combined with the butter. Avoid overheating the chocolate—if it begins to seize or thicken, gently stir in a small amount of warm water to bring it back to a smooth consistency.

Orange zest plays a crucial role in elevating the flavor profile of these squares. It adds brightness and freshness, which balances the richness of the chocolate. Make sure to zest only the outer layer of the orange peel, as the white pith underneath can taste bitter. Using a microplane grater will give the best results, providing finely grated zest that easily incorporates into the batter without clumping.

Texture and Technique Tips

To achieve that melt-in-your-mouth texture, be careful not to overmix the batter once you combine the dry ingredients. Overmixing can lead to denser squares. Gently fold the flour and pistachios into the wet mixture until just combined—this will help maintain a light and creamy texture. Also, allowing the squares to cool completely in the baking dish prevents them from breaking apart when you cut them, so patience is key before transferring them to the refrigerator.

Chopping the pistachios evenly ensures that every bite has a consistent crunch. A quick tip is to freeze them beforehand, which makes them easier to chop without losing flavor. As a substitute, you can use chopped walnuts or almonds if you prefer. Just remember that each nut variety will impart a slightly different flavor and texture, so choose one that complements the chocolate and orange.

Ingredients

For the squares

200g dark chocolate, chopped
100g unsalted butter
3 large eggs
150g granulated sugar
1 teaspoon vanilla extract
Zest of 1 orange
80g all-purpose flour
100g pistachios, chopped

For garnish

Extra pistachios
Orange slices

Make sure to measure all ingredients accurately for the best results.

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C) and line an 8-inch square baking dish with parchment paper.

Melt Chocolate and Butter

In a medium bowl, combine the chopped chocolate and butter. Melt them together in the microwave in 30-second intervals, stirring in between, until smooth.

Mix Wet Ingredients

In another bowl, whisk together the eggs, sugar, vanilla extract, and orange zest until well combined.

Combine Mixtures

Gradually pour the melted chocolate into the egg mixture, stirring constantly until fully incorporated.

Add Dry Ingredients

Sift in the flour and gently mix until just combined. Fold in the chopped pistachios.

Bake the Squares

Pour the batter into the prepared baking dish and spread it evenly. Bake for 25 minutes or until a toothpick inserted into the center comes out clean.

Cool and Garnish

Let the squares cool completely in the dish, then transfer to the refrigerator for about 1 hour. Once set, cut into squares and garnish with extra pistachios and orange slices.

Enjoy your delicious and rich Chocolate Orange Pistachio Squares!

Pro Tips

For an added layer of flavor, consider drizzling some melted chocolate over the cooled squares before serving.

Serving Suggestions

To enhance your presentation, consider serving these squares on a rustic wooden board with additional orange slices and scattered pistachios for a beautiful display. Pairing them with a scoop of vanilla ice cream or a dollop of whipped cream can elevate the dessert experience, making it even more indulgent for guests or special occasions.

These squares can also double as a fantastic coffee or tea pairing. The rich chocolate and bright orange notes complement the bitterness of a strong brew beautifully. I often enjoy a piece with a rich espresso, making for a delightful afternoon treat that gives me just the boost I need.

Storage and Make-Ahead Tips

Once cut, the Chocolate Orange Pistachio Squares can be stored in an airtight container for up to a week at room temperature. For longer storage, place them in the refrigerator for up to two weeks. You can also freeze uncut squares by wrapping them tightly in plastic wrap and placing them in a freezer-safe container for up to three months. Just remember to bring them back to room temperature before serving for the best texture.

If you're planning to make these squares ahead of time, consider preparing the batter a day in advance and baking them just before serving. This will allow the flavors to meld overnight and enhance the overall taste. Just be sure to let them cool completely before cutting to avoid crumbling.

Questions About Recipes

→ Can I use milk chocolate instead of dark chocolate?

Yes, but it will alter the flavor profile and sweetness of the squares.

→ What can I substitute for pistachios?

You can use walnuts or almonds if you prefer, but the taste will vary slightly.

→ How should I store the leftovers?

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

→ Can I freeze the squares?

Yes, you can freeze individual squares, separating them with parchment paper, for up to 2 months.