The smell of warm, melted chocolate wafting through the kitchen can instantly elevate any afternoon. Today, I’m thrilled to share my recipe for Cake Mix Cookie Bars—a delightful treat that promises to satisfy your sweet tooth while keeping things super simple. These bars strike the perfect balance between a chewy cookie and a soft blondie, making them a favorite for any occasion. What I love most is that you can whip them up in under 30 minutes, which means you can tackle that dessert craving without spending hours in the kitchen. Plus, they’re highly customizable, catering to dietary needs and flavor preferences, whether you want to go gluten-free or add a twist with different mix-ins. As you dive into this easy dessert recipe, you'll find it's a fantastic way to bring joy to your family and friends. Ready to bake something delicious together? Let’s get started!
Why are Cake Mix Cookie Bars a must-try?
Simplicity: This recipe requires minimal effort, making it perfect for busy days.
Customizable: With endless variations, you can tailor each batch to suit any taste or dietary need.
Quick Baking: In just under 30 minutes, you’ll have warm, gooey bars ready to indulge.
Crowd Pleaser: These cookie bars are a hit at gatherings, satisfying everyone from kids to adults.
Irresistible Texture: Enjoy a soft, chewy center paired with the delight of melty chocolate chips.
These Cake Mix Cookie Bars truly elevate your dessert game, and if you're looking for even more sweet inspirations, don’t miss my tips on creating easy dessert recipes or explore how to add a personal touch with customizable mix-ins!
Cake Mix Cookie Bars Ingredients
• Get ready to bake a delightful treat!
For the Cookie Bars
- Yellow Cake Mix – Provides sweetness and structure; you can swap with any flavored cake mix for variety.
- Large Eggs – Essential for binding ingredients and creating that chewy texture; no substitutes here!
- Unsalted Butter, melted – Offers moisture and richness to the bars; use coconut oil as a dairy-free alternative.
- Vanilla Extract (optional) – Elevates flavor depth; feel free to omit if it's not on hand.
- Semi-sweet Chocolate Chips – Adds sweetness and delightful texture; consider using mixed chips or nuts for changes.
For Topping
- Additional Chocolate Chips (optional) – Sprinkling these on top enhances visual appeal and chocolate flavor.
Step‑by‑Step Instructions for Cake Mix Cookie Bars
Step 1: Preheat the Oven
Begin by preheating your oven to 350°F (175°C). While the oven warms up, grab an 8×8 or 9×9 inch baking pan and line it with greased parchment paper. This will ensure your Cake Mix Cookie Bars come out easily, without any sticking.
Step 2: Prepare the Batter
In a large mixing bowl, vigorously combine the yellow cake mix, melted unsalted butter, and large eggs. Use a spatula or wooden spoon and mix until the ingredients are fully incorporated, creating a thick batter that holds together well. You'll know it’s ready when the mixture is uniform and slightly glossy.
Step 3: Fold in the Chocolate Chips
Gently fold in the semi-sweet chocolate chips, ensuring they’re evenly distributed throughout the thick batter. Take a moment to enjoy the sweet aroma of the chocolate as you mix. If you’d like to add nuts or other chips, feel free to include those as well—just keep total mix-ins around 1 to 1½ cups.
Step 4: Spread into the Pan
Transfer the batter into your prepared baking pan, using a spatula to spread it evenly into the corners and ensure it’s level. If desired, sprinkle additional chocolate chips on top for a delightful finish. This adds to both the visual appeal and an extra burst of chocolate flavor.
Step 5: Bake the Bars
Place the pan in your preheated oven and bake for 22–26 minutes. Keep an eye on your Cake Mix Cookie Bars; they’re done when the edges are golden brown and the center is just set—avoid overbaking for that perfect chewy texture.
Step 6: Cool Before Slicing
Once baked, remove the pan from the oven and let it cool completely in the pan. This cooling step is crucial as the bars will continue to firm up after baking. Patience will reward you with perfectly sliced bars later.
Step 7: Slice and Serve
Once cooled, lift the bars out of the pan using the edges of the parchment paper. Cut them into squares or rectangles, serving warm or at room temperature. These delicious Cake Mix Cookie Bars are perfect for sharing with family and friends or enjoying on your own!
Storage Tips for Cake Mix Cookie Bars
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Room Temperature: Keep your Cake Mix Cookie Bars in an airtight container at room temperature for up to 3 days. This preserves their softness and flavor.
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Fridge: If you prefer them chilled, you can store the bars in the refrigerator for up to a week. Just make sure they’re in an airtight container to prevent drying out.
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Freezer: For longer storage, wrap the bars tightly in plastic wrap and then place them in a freezer-safe bag. They can be frozen for up to 3 months. Thaw at room temperature when you're ready to enjoy again.
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Reheating: To enjoy warm, simply microwave individual bars for 10-15 seconds. This will revive their delicious gooeyness and make them taste freshly made!
What to Serve with Cake Mix Cookie Bars?
These delightful cookie bars can easily be transformed into a complete dessert experience with the right accompaniments.
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Vanilla Ice Cream: Adding a scoop of creamy vanilla ice cream creates a classic combination that brings balance to the bars' sweetness. The contrast of warm bars and cold ice cream is irresistible.
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Chocolate Sauce: Drizzling warm chocolate sauce over the top enhances the chocolate flavor and adds an extra layer of indulgence. It’ll make each bite even more decadent!
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Whipped Cream: A dollop of fluffy whipped cream brightens the dessert and adds a light, airy contrast to the rich cookie bars. You can even sprinkle cocoa powder or shaved chocolate on top for a chic finish.
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Fresh Berries: Serve alongside fresh strawberries or raspberries to introduce a burst of tartness. Their natural sweetness complements the richness of the bars beautifully.
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Caramel Sauce: A drizzle of caramel sauce adds a sticky, luxurious touch to your dessert platter. The interplay of salty and sweet elevates your cake mix cookie bars to new heights.
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Coffee or Hot Cocoa: Pair these bars with a warm mug of coffee or hot cocoa for a cozy dessert experience. The warmth will enhance the chocolatey goodness and create a comforting treat.
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Milk: A classic choice, a cold glass of milk offers a refreshing balance to your dessert. It’s a nostalgic pairing that brings back fond memories of childhood treats.
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Dessert Wine: For an adult twist, consider pairing with a light dessert wine, like Moscato, which will complement the sweet flavors and make a sophisticated ending to your meal.
Expert Tips for Cake Mix Cookie Bars
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Measuring Ingredients: Use a kitchen scale or properly measure your ingredients to ensure accurate ratios. Too much flour can lead to a dense texture.
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Parchment Paper: Always use parchment paper for easy removal and cleanup. This will prevent sticking and help you slice the bars cleanly.
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Bakery Monitoring: Keep a close eye on the baking time. Overbaking can lead to dry bars; aim for a golden edge and a slightly soft center for the best chewy result.
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Mix-in Balance: Limit mix-ins to about 1 to 1½ cups total. Too many add-ins can disrupt the texture of your Cake Mix Cookie Bars and make them crumble.
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Cooling Completeness: Let the bars cool completely in the pan before slicing. This cooling time allows the bars to firm up and makes cutting easier.
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Storage Tips: Store any leftovers in an airtight container at room temperature for several days or freeze for up to 3 months to keep them fresh and chewy.
Cake Mix Cookie Bars Variations
Customize your Cake Mix Cookie Bars for a unique twist that delights the senses!
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Gluten-Free: Use a gluten-free cake mix to cater to dietary needs without sacrificing flavor. Just be sure all add-ins are also gluten-free. You’ll still achieve that dreamy softness!
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Chocolate Lovers: Swap in dark chocolate or even mint chocolate chips for an extra layer of chocolaty goodness. Try creating a delightful pairing—rich chocolate with a touch of mint refreshment!
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Citrus Burst: Add the zest of one orange or lemon to the batter for a bright citrus flavor. This gives your bars a refreshing twist that's perfect for sunny days.
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Nutty Delight: Fold in chopped almonds, walnuts, or pecans for a hearty crunch. The added texture and flavor create a satisfying contrast to the chewy bars.
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Spiced Up: Incorporate a pinch of cinnamon or nutmeg into the batter for a warm, spiced flavor profile. This twist makes your dessert feel cozy and inviting, great for chilly evenings!
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Dulce de Leche: Drizzle dulce de leche into the batter before baking for a caramel surprise in every bite. This rich layer of sweetness makes your bars irresistible and indulgent!
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Fruity Twist: Mix in dried cranberries or cherries for a fruity complement to the chocolate. The combination of chewy and tart bites offers a delightful balance!
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S'mores Style: Create s'mores-inspired bars by folding in mini marshmallows and adding crushed graham crackers to the mix. Top with a chocolate drizzle for a campfire classic!
Feel free to explore these variations to elevate your recipe! If you want more creative ideas, check out my tips on adding a personal touch with customizable mix-ins and other easy dessert recipes for delightful inspiration.
Make Ahead Options
These Cake Mix Cookie Bars are an excellent choice for meal prep, allowing you to save time on busy days! You can prepare the batter up to 24 hours in advance by mixing the cake mix, melted butter, and eggs in a bowl—just remember to cover it tightly and refrigerate. If you prefer, you can also pre-bake the bars and store them at room temperature for up to 3 days, ensuring they stay fresh by keeping them in an airtight container. When you’re ready to serve, simply slice the bars and warm them briefly in the oven to revive their gooey goodness. This way, you’ll have delightful desserts on hand with very little effort!
Cake Mix Cookie Bars Recipe FAQs
What type of cake mix should I use for the best results?
Absolutely! You can use any flavor of cake mix based on your mood and preference. Yellow cake mix is a classic choice, but experimenting with funfetti, chocolate, or even red velvet can add a delightful twist to your Cake Mix Cookie Bars.
How should I store my Cake Mix Cookie Bars?
To keep your bars fresh, store them in an airtight container at room temperature for up to 3 days. If you prefer to enjoy them chilled, they can also stay in the refrigerator for up to a week.
Can I freeze these cookie bars?
Yes, you can freeze your Cake Mix Cookie Bars for up to 3 months! Simply wrap them tightly in plastic wrap and place them in a freezer-safe bag. When you’re ready to indulge, just thaw them at room temperature or microwave for about 10-15 seconds to bring back their gooey goodness.
What should I do if my bars turn out too dry?
If your bars come out dry, it may be due to overbaking. To achieve the perfect texture, aim for a golden-brown edge and a slightly soft center. Next time, consider checking the oven a few minutes earlier, as every oven can vary. If they do end up dry, serving them warm with a scoop of ice cream can add back some moisture!
Are there any dietary considerations I should keep in mind?
Very much! For gluten-free options, substitute with a gluten-free cake mix and ensure all other ingredients are certified gluten-free. It's also wise to check for any allergies related to eggs and chocolate chips. If making for kids or someone with dietary restrictions, don't hesitate to ask about preferences or allergies before you start!
How do I know when my Cake Mix Cookie Bars are done?
To ensure perfectly baked bars, look for a golden-brown edge with the center just set. The bars will firm up as they cool, so it’s crucial to avoid overbaking. If a toothpick inserted in the center comes out with a few moist crumbs, they’re perfect and ready to cool!

Indulgent Cake Mix Cookie Bars You’ll Love to Binge On
Ingredients
Equipment
Method
- Preheat the oven to 350°F (175°C) and line an 8×8 or 9×9 inch baking pan with greased parchment paper.
- In a large mixing bowl, combine the yellow cake mix, melted unsalted butter, and large eggs until fully incorporated.
- Fold in the semi-sweet chocolate chips until evenly distributed.
- Transfer the batter into the prepared baking pan, spreading it evenly; sprinkle additional chocolate chips on top if desired.
- Bake in the preheated oven for 22–26 minutes, until the edges are golden brown.
- Cool completely in the pan before lifting out and slicing into squares.
- Serve warm or at room temperature, perfect for sharing.
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