Irresistible Pistachio Bars with Creamy White Chocolate Frosting: Your New Favorite Easy Dessert
Discover the magic of these incredibly soft and chewy Pistachio Bars, a delightful treat perfect for any occasion! Imagine tender cookie bars, generously studded with sweet white chocolate chips, crowned with a rich, creamy, almond-kissed frosting, and finished with a satisfying sprinkle of crunchy pistachios. If you’re a fan of classic Pistachio Cookies, prepare to fall in love with this even softer, simpler-to-make bar version.

These delightful and easy-to-prepare pistachio squares are a fantastic addition to any celebration, especially around St. Patrick’s Day or during the festive holiday season. Their vibrant green hue, naturally derived from the instant pistachio pudding mix, makes them visually appealing, while their ultra-soft texture and rich flavor ensure they’re a crowd-pleaser. Each bite offers a harmonious blend of sweet white chocolate chips within the cookie base and a divine buttercream frosting that melts in your mouth. They quickly became a cherished family recipe, praised for their quick preparation and irresistible taste. Forget complicated desserts; these baked pistachio treats offer maximum flavor with minimal effort.
What To Expect From This Pistachio Bar Recipe
- Ease: These pistachio bars are incredibly simple to make, even for novice bakers. The process is as straightforward as mixing up a batch of cookie dough, but without the time-consuming step of scooping individual cookies. You simply press the dough into a pan, bake, and then frost. This makes them a perfect choice when you need a delicious dessert without all the fuss.
- Taste: Prepare for a burst of authentic pistachio flavor, deeply infused by the instant pistachio pudding mix. The bars boast a rich, nutty profile that perfectly complements the sweet white chocolate. The frosting adds another layer of indulgence, offering a creamy texture with a subtle, yet delightful, hint of almond, which truly elevates the overall flavor experience.
- Time: The active baking time for these bars is remarkably short, typically around 15 to 17 minutes. However, patience is key when it comes to cooling. The bars require a good 30 minutes to an hour to cool completely before the frosting can be applied. This is a crucial step to prevent the frosting from melting. Keep this cooling time in mind if you’re planning to make them ahead for an event.
🛒 Essential Ingredients for Perfect Pistachio Bars
Crafting these delectable pistachio bars starts with a few key ingredients. Here’s a breakdown of what you’ll need and why each component is important:

- Butter – For this recipe, salted butter is highly recommended. The touch of salt enhances the overall flavor of the bars, providing a perfect balance to the sweetness. Ensure it’s softened to room temperature for optimal creaming.
- Eggs – Eggs are vital for binding the ingredients together, giving the bars their wonderfully soft and moist texture. They contribute to the structure and richness of the dough.
- Almond Extract – This is a secret weapon for the frosting! Just a half teaspoon of almond extract adds a sophisticated, subtle nutty flavor that beautifully complements the pistachio, making the frosting truly divine.
- Pistachio Pudding Mix – The star ingredient! Make sure to use instant pudding mix, not the cook-and-serve variety. The instant mix provides the distinct pistachio flavor and a lovely green color without extra effort.
- White Chocolate Chips – These sweet morsels melt into the bars, adding pockets of creamy sweetness that perfectly balance the pistachio. You can also chop a bar of white baking chocolate for a similar effect.
- Pistachios – For topping the bars, opt for lightly salted, roasted pistachios. The saltiness provides a fantastic contrast to the sweet frosting, and the roasting brings out their rich, earthy flavor and satisfying crunch.
For a comprehensive list of all ingredients and precise quantities, please refer to the detailed recipe card located further down the page.
✏️ Simple Substitutions & Exciting Variations
While this pistachio bar recipe is fantastic as written, there’s plenty of room for creativity and dietary adjustments. Here are some ideas to customize your dessert:
- Pudding Mix Options – You can easily use sugar-free instant pistachio pudding mix if you’re looking to reduce sugar content without sacrificing flavor. The key is to ensure it’s always the instant variety, as cook-and-serve mixes have different setting properties.
- Flavor Explorations – Don’t limit yourself to pistachio! This recipe serves as an excellent base for various pudding mix flavors. Imagine vibrant lemon bars using lemon instant pudding, rich chocolate bars with chocolate pudding mix, or even a tropical twist with coconut pudding. Each substitution opens up a world of new possibilities!
- Nut Alternatives – If pistachios aren’t your favorite, or if you simply want to try something different, feel free to replace the chopped pistachios on top with extra white chocolate chips for an even sweeter topping. Macadamia nuts also pair beautifully with white chocolate and offer a different texture. Remember, the pistachio flavor will still be present in the bars due to the pudding mix, but the topping can certainly be adapted.
🧑🍳 Step-by-Step Instructions: Baking & Frosting Your Pistachio Bars
Making these delightful pistachio dessert bars is straightforward, whether you’re a seasoned baker or just starting out. We’ll guide you through preparing the soft, chewy bars and then creating the sweet, creamy frosting to top them off. Before you begin, don’t forget to preheat your oven to 375℉ (190°C) and prepare a 9×13 inch baking dish by lightly greasing it or lining it with parchment paper for easy removal.

Step 1. Begin by creaming together the softened butter and granulated sugar in a large mixing bowl. Use an electric mixer on high speed for 2-3 minutes until the mixture becomes light, pale, and wonderfully fluffy. This step incorporates air, contributing to the bars’ soft texture.

Step 2. Once the butter and sugar are perfectly creamed, add in the eggs, one at a time, mixing well after each addition until fully incorporated. Then, stir in the vanilla extract, ensuring all ingredients are thoroughly combined to form a smooth wet mixture.

Step 3. Now, it’s time to add the dry ingredients. Incorporate the instant pistachio pudding mix, baking soda, all-purpose flour, and salt into the wet mixture. Mix on low speed just until everything is combined and a soft dough forms. Be careful not to overmix, as this can lead to tough bars.

Step 4. Finally, gently fold in the white chocolate chips using a spatula or spoon. Stir them just enough to distribute them evenly throughout the dough. The goal is to keep them intact and prevent them from breaking apart too much.

Step 5. Press the dough evenly into the bottom of your prepared baking dish. You can use your hands, the back of a spoon, or a measuring cup to ensure an even layer. Bake for 15-17 minutes. The bars should appear soft and slightly underbaked in the middle, with firmer, lightly golden edges, similar to a perfectly chewy cookie. Remove from the oven and allow to cool completely on a wire rack before attempting to frost them.

Step 6. While the bars are cooling, prepare the creamy frosting. In a clean mixing bowl, cream together the softened butter and powdered sugar using an electric mixer. Beat on high speed for 2-3 minutes until the mixture is beautifully light, airy, and fluffy.

Step 7. To the creamed butter and sugar, add the vanilla extract, almond extract, and heavy cream (or milk). Start with 2 tablespoons of cream and add more gradually if needed, mixing well until the frosting reaches your desired smooth and spreadable consistency. Beat for another minute to ensure it’s silky.

Step 8. Once the pistachio bars are completely cool to the touch, spread the prepared frosting evenly over the top using an offset spatula or the back of a spoon. Finish by generously sprinkling with chopped pistachios for an extra layer of flavor and texture. Slice into squares and serve immediately. Enjoy your homemade pistachio treat!
📌 Top Tips For Achieving Perfect Pistachio Bars Every Time
- DO NOT OVER BAKE: This is the golden rule for moist and chewy bars! When you take the bars out of the oven, they should still look slightly shiny and a bit doughy in the center. The edges will be set and lightly golden, but the middle should appear somewhat underbaked, just like a soft, chewy cookie. Overbaking is the quickest way to end up with dry, crumbly bars, so err on the side of caution.
- Use a Metal Baking Pan: For the most efficient and quicker baking, a metal pan is your best friend. Metal conducts heat more effectively, leading to a bake time of around 15-17 minutes. If you opt for a glass or ceramic pan, be prepared to add an extra 3-4 minutes to the baking time, as these materials retain heat differently.
- Choose the Right Pudding Mix: Always use dry, instant pistachio pudding mix. Avoid any pre-mixed puddings or those that already contain milk. The dry mix is crucial for the correct texture and intense flavor of these bars.
- Ensure Complete Cooling: Patience is a virtue here! It’s absolutely critical that the bars are cooled completely before you apply the frosting. If the bars are even slightly warm, the frosting will melt and slide right off, creating a messy situation.
- Achieve Clean Slices: For perfectly neat squares, once the bars are frosted and the frosting has set slightly, use a large, sharp knife. Wipe the knife clean with a damp cloth after each cut to prevent dragging crumbs and frosting across your beautiful bars.

❓Frequently Asked Questions About Pistachio Bars
Room Temperature: These delicious pistachio bars will stay fresh for 2-3 days when stored in an airtight container at room temperature. This helps maintain their soft texture and prevents them from drying out.
Frozen: For longer storage, you can freeze unfrosted bars for up to 3 months. Wrap them tightly in plastic wrap and then place them in an airtight freezer-safe container. When you’re ready to serve, thaw the bars at room temperature and then prepare and apply the fresh frosting. This method ensures the best texture for both the bar and the frosting.
Pistachio has a wonderfully versatile flavor that pairs beautifully with several ingredients. Classic pairings include white chocolate, which adds a creamy sweetness, and almond or amaretto, which enhances the nutty notes. For a fruity contrast, consider adding flavors like raspberry or cherry, as their tartness perfectly complements the richness of pistachio. Vanilla is also a fantastic neutral base that allows the pistachio flavor to shine.
Absolutely! While white chocolate is a classic pairing with pistachio, substituting it with regular chocolate chips is a delicious alternative. You can use semi-sweet, milk chocolate, or even dark chocolate chips to create delectable pistachio chocolate bars. The deeper flavor of regular chocolate will offer a lovely contrast to the sweetness and nuttiness of the pistachio base.
More Delightful Pudding Mix Desserts to Try
If you loved how simple and flavorful these Pistachio Bars were, you’ll be thrilled to discover the versatility of instant pudding mix in other dessert recipes. It’s a fantastic ingredient for adding moisture, flavor, and an incredibly soft texture to various baked goods. Here are some more tempting dessert recipes that utilize pudding mix, all guaranteed to be absolutely delicious!
- Chocolate Pudding Mix Cookies
- Banana Cream Pie Bars
- Lemon Blackberry Cookies
- Classic Chocolate Chip Pudding Cookies
Did you try this recipe? If you loved these Pistachio Bars, please share your experience! Make sure to leave a ⭐️ star rating and a comment below the recipe card. Your feedback is incredibly valuable, as I love hearing from you, and it is so helpful to other readers looking for delicious recipes.
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📝 Printable Recipe for Pistachio Bars

Pistachio Bars
Pin Recipe
Ingredients
For the Pistachio Bars
- 1 cup salted butter softened
- ½ cup white granulated sugar
- 2 large eggs
- 2 teaspoons vanilla extract
- 2 (3.4 oz) boxes instant pistachio pudding mix
- ½ teaspoon baking soda
- 2 cups all purpose flour
- ¼ teaspoon salt
- 1 cup white chocolate chips
- ¼ cup chopped pistachios
For the Frosting:
- ½ cup salted butter softened
- 2 cups powdered sugar
- 1 teaspoon vanilla extract
- ½ teaspoon almond extract
- 2-3 Tablespoon heavy cream or milk
Instructions
For the Pistachio Bars:
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Preheat the oven to 375°F and prepare a 9×13 inch baking dish with baking spray or parchment paper.
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With an electric mixer, cream together butter and sugar for 2-3 minutes on high speed until fluffy. Add in eggs and vanilla and mix well.
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Add pudding mix, baking soda, flour, and salt and mix on low speed until combined. Add in white chocolate chips last and gently stir into the dough.
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Spread evenly into bottom of baking dish and bake for 15-17 minutes, will be soft and look harder around the edges and slightly underbaked in the middle, just like a cookie. Cool completely before frosting.
For the Frosting:
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With an electric mixer cream together butter and powdered sugar until light and fluffy, 2-3 minutes. Add in vanilla and almond extracts, and heavy cream, and mix well.
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Spread over cooled bars, then sprinkle chopped pistachios on top. Slice and serve.
Notes
Using a metal pan will bake the bars a little faster, 15-17 minutes.
Using a ceramic or glass pan will take slightly longer to bake, add 3-4 minutes onto the bake time.