Get ready to fall in love with the easiest, most delicious Sugar Cookie Bars you’ll ever make. This recipe skips the chilling and rolling of traditional cookies and delivers perfectly soft, chewy, and thick bars loaded with a creamy buttercream frosting. They are the perfect treat for any occasion, from holiday parties to simple weeknight desserts.
Why This Sugar Cookie Bar Recipe is a Must-Try
If you’re looking for a dessert that delivers maximum flavor with minimum effort, you’ve found it. These Sugar Cookie Bars are incredibly simple to whip up.
The dough comes together in one bowl, gets pressed into a pan, and bakes into a soft, buttery slab of cookie perfection. Topped with a luscious, easy-to-make frosting and a shower of colorful sprinkles, this recipe is a guaranteed crowd-pleaser and a fantastic alternative to classic Christmas sprinkle cookies.
The Key Ingredients for Perfect Sugar Cookie Bars
The magic of this recipe lies in its simplicity. We use pantry staples to create a dessert that tastes like it came from a high-end bakery. Here’s what you’ll need.
For the Cookie Bars
- All-Purpose Flour: Provides the structure for our soft and tender bars.
- Baking Powder: Gives the bars just the right amount of lift.
- Salt: Balances the sweetness and enhances the buttery flavor.
- Unsalted Butter: Make sure it’s softened to room temperature for a smooth, uniform dough.
- Granulated Sugar: Provides the classic sweetness and contributes to the chewy texture.
- Egg: One large egg at room temperature binds the dough together.
- Vanilla Extract: Use pure vanilla extract for the best, most aromatic flavor.
For the Creamy Buttercream Frosting
- Unsalted Butter: Softened butter is the key to a creamy, non-greasy frosting.
- Powdered Sugar: Sift it to avoid any lumps for the smoothest possible texture.
- Vanilla Extract: Complements the flavor of the cookie base.
- Heavy Cream or Milk: A small amount to get the perfect spreading consistency.
- Sprinkles: Optional, but highly recommended for a fun, festive touch!
How to Make Sugar Cookie Bars Step-by-Step
Making these frosted Sugar Cookie Bars is a straightforward process. Just follow these simple steps for a perfect batch every time.
- Prep Your Pan and Oven: Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan, or line it with parchment paper, leaving an overhang to easily lift the bars out later.
- Combine Dry Ingredients: In a medium bowl, whisk together the all-purpose flour, baking powder, and salt. Set it aside.
- Cream Butter and Sugar: In a large bowl, use an electric mixer to beat the softened unsalted butter and granulated sugar together on medium-high speed until the mixture is light and fluffy, about 2-3 minutes.
- Add Egg and Vanilla: Beat in the egg and vanilla extract until they are just combined. Scrape down the sides of the bowl as needed to ensure everything is evenly mixed.
- Combine Wet and Dry: Reduce the mixer speed to low and gradually add the dry ingredient mixture to the wet ingredients. Mix until just combined. Be careful not to overmix the dough.
- Press and Bake: Evenly press the dough into the bottom of your prepared pan. Use your hands or a spatula to spread it out. Bake for 18-22 minutes, or until the edges are lightly golden and a toothpick inserted into the center comes out clean.
- Cool Completely: Let the bars cool completely in the pan on a wire rack before frosting. This is crucial for the frosting to set properly.
These bars have a wonderfully simple flavor, much like our recipe for Snickerdoodle Truffles, but in a much simpler format!

The Secret to the Best Buttercream Frosting
A great frosting can elevate good Sugar Cookie Bars to an unforgettable dessert. Our buttercream is rich, creamy, and perfectly sweet.
To make it, beat the softened butter in a large bowl until it’s smooth and creamy. Gradually add the sifted powdered sugar, mixing on low speed until it’s incorporated, then increase the speed to medium-high and beat for 2-3 minutes until fluffy. Mix in the vanilla extract and 1-2 tablespoons of heavy cream or milk until you reach your desired consistency. If you love rich, creamy toppings, you should also try our famous white chocolate raspberry cheesecake bars.

Once the bars are completely cool, spread the frosting evenly over the top and decorate with your favorite sprinkles.
Pro Tips for Foolproof Sugar Cookie Bars
Follow these simple tips to guarantee your bars are perfect every single time.
- Room Temperature Ingredients: Using room temperature butter and egg is non-negotiable. They emulsify better into the batter, creating a more uniform texture and a softer crumb.
- Do Not Overmix: Once you add the flour, mix only until it’s just combined. Overmixing develops gluten, which can lead to tough, dense bars instead of soft, tender ones.
- Do Not Overbake: The key to soft and chewy Sugar Cookie Bars is to pull them from the oven when the center is just set and the edges are lightly golden. They will continue to bake in the hot pan as they cool.
- Cool Completely Before Frosting: This is the most important tip! If you try to frost warm bars, the frosting will melt into a greasy mess. Be patient and let them cool 100%.
Fun Variations and Decoration Ideas
While this classic recipe is fantastic on its own, it’s also a wonderful canvas for creativity.
- Almond Extract: For a classic sugar cookie flavor, add 1/4 teaspoon of almond extract along with the vanilla extract to both the dough and the frosting.
- Sprinkle Dough: Mix 1/2 cup of your favorite sprinkles directly into the dough for a funfetti effect.
- Holiday Themes: Customize the bars for any holiday by using different colored frostings and themed sprinkles. Red and green for Christmas, pastels for Easter, or orange and black for Halloween.
- Cream Cheese Frosting: If you prefer a tangier frosting, substitute half of the butter in the frosting recipe with an equal amount of softened cream cheese.
Storing Your Sugar Cookie Bars
Proper storage keeps these bars soft and fresh. Once frosted, you can store them in an airtight container at room temperature for up to 3 days. If your kitchen is very warm, it’s best to store them in the refrigerator. If refrigerated, let them sit at room temperature for about 15-20 minutes before serving to allow the frosting and bars to soften up.
Frequently Asked Questions
Yes, you can use salted butter in a pinch. If you do, we recommend reducing the added salt in the recipe by 1/4 teaspoon to avoid the bars being overly salty.
They do not need to be refrigerated and can be stored in an airtight container at room temperature for up to 3 days. However, if your kitchen is very warm, refrigerating them will help the frosting stay firm.
For the cleanest cuts, make sure the bars are completely cooled (you can even chill them for 30 minutes). Use a large, sharp knife and wipe it clean with a damp paper towel between each slice. This prevents the frosting and crumbs from dragging.
The key to keeping sugar cookie bars soft is to not overbake them. Pull them from the oven when the edges are just lightly golden and the center is set. They will continue to firm up as they cool. Storing them in an airtight container will also keep them fresh and soft.
The chewiness in sugar cookie bars comes from the right ratio of sugar to fat, as well as not overmixing the dough. Using room temperature ingredients and baking just until set ensures a soft, chewy texture rather than a crisp, crunchy one.
Enjoy Your Perfect Homemade Treat!
This Sugar Cookie Bars recipe is a true keeper. It’s simple, reliable, and endlessly customizable. We hope you and your family love making and eating these delicious treats as much as we do. If you try them, let us know how they turned out in the comments below and don’t forget to share your creations on Pinterest!

Sugar Cookie Bars Recipe

Sugar Cookie Bars: The Easiest, Softest Recipe
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C). Line a 9x13 inch baking pan with parchment paper, leaving an overhang on the sides to lift the bars out later.
- In a medium bowl, whisk together the all-purpose flour, baking powder, and salt. Set aside.
- In a large bowl, use an electric mixer to beat the softened unsalted butter and granulated sugar together on medium-high speed until light and fluffy, about 2-3 minutes.
- Beat in the room temperature egg and vanilla extract until just combined.
- With the mixer on low, gradually add the dry ingredient mixture to the wet ingredients. Mix until just combined. Do not overmix.
- Press the dough evenly into the bottom of the prepared pan. Bake for 18-22 minutes, or until the edges are lightly golden and a toothpick inserted into the center comes out clean.
- Let the bars cool completely in the pan before frosting.
- To make the frosting, beat the softened butter in a large bowl until smooth. Gradually mix in the powdered sugar until combined. Add the vanilla extract and 1 tablespoon of heavy cream. Beat on medium-high speed for 2-3 minutes until light and fluffy, adding more cream if needed to reach a spreadable consistency.
- Spread the frosting over the cooled bars and top with sprinkles. Use the parchment paper overhang to lift the bars from the pan, then slice and serve.
Notes
Don't Overbake: The bars should be removed from the oven when they are just set in the center. They will firm up as they cool.
Cool Completely: Wait until the bars are 100% cool before frosting to prevent the frosting from melting.