
Cookie bars are a quick and easy dessert option that can be made with your favourite cookie recipe. They are simple to make and require no mixer or chilling. The baking time for cookie bars varies depending on the recipe and the size of the pan. For example, a recipe for Chewy Chocolate Chip Cookie Bars recommends baking the bars in a 9 x 13 pan at 350°F for 30 to 32 minutes, while another recipe for Chocolate Chip Cookie Bars suggests baking them in a 9-inch square pan at 350°F for 18 to 22 minutes. It is important to note that cookie bars should not be overbaked, as they can become dry and cakey. To test if they are done, a cake tester or toothpick can be inserted into the centre, but some sources note that it is normal for the centre to still be quite molten.
| Characteristics | Values |
|---|---|
| Oven Temperature | 325°F to 375°F |
| Baking Time | 18 to 34 minutes |
| Pan Type | Metal, jelly-roll, or baking pan |
| Pan Size | 9" x 13" or 15" x 10" |
| Pan Preparation | Greased or lined with parchment paper or foil |
| Dough Thickness | Between 3/4" and 1" |
| Cooling Time | Overnight for best results |
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What You'll Learn

Baking time depends on pan size
The baking time for cookie bars depends on the size and type of pan used. For a 9" x 13" pan, preheat the oven to 325°F and bake for about 23 minutes. If you are using a darker pan, bake for a shorter time, and for a lighter or shinier pan, bake for a longer time. For a 9-inch square pan, preheat the oven to 350°F and bake for 18 to 22 minutes.
If you want to make a larger batch of cookie bars, you can double the recipe and use a 9" x 13" pan. In this case, the baking time will be longer, around 30 to 32 minutes. For a half-sheet pan (approximately 13" x 18"), bake at 350°F for 32 to 34 minutes.
It's important to note that baking times are not precise and can vary depending on the thickness of the dough and other factors. It's recommended to check the cookie bars early and often to prevent over-baking, as this can result in dry and cakey bars. The bars are done when a cake tester or toothpick inserted into the center comes out clean, but it's normal for the center to look molten or slightly wet. The center will solidify as the bars cool.
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Bake until golden brown
The baking time for cookie bars depends on the size of the pan and the desired texture. For a chewy texture, it is important not to overbake the bars. The cookie bars are done when the edges are golden brown and the centre is set but still soft.
For a 9" x 13" pan, the baking time is around 25 to 35 minutes at 350°F (177°C). The bars should be puffed up slightly around the edges, and a toothpick inserted into the centre should come out with moist crumbs, but not wet batter. If using a metal pan, the baking time will be longer than if using a glass pan.
For a smaller pan, such as an 8" x 8" pan, the baking time will be longer. At 375°F, the bars will bake for around 15 minutes, but this time may need to be adjusted depending on the oven.
If doubling the recipe, a larger pan such as a 13" x 18" pan can be used, and the baking time will be around 29 to 35 minutes at 325°F to 350°F.
It is important to note that all ovens are different, so it is recommended to start checking the cookie bars after about 20 minutes and adjust the baking time as needed.
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Don't overbake
When baking cookie bars, it is important not to overbake them. Overbaking can lead to dry and cakey cookie bars. To prevent overbaking, it is recommended to err on the side of under-baking and to remove the bars from the oven when they are lightly browned on the sides. A cake tester or toothpick inserted into the center of the pan can be used to test for doneness; if it comes out mostly clean, the bars are done.
The ideal baking time for cookie bars can vary depending on the recipe, oven temperature, and pan type. Some recipes suggest baking for 20 to 25 minutes, while others recommend 30 to 35 minutes. It is important to keep an eye on the cookie bars towards the end of the baking time to prevent overbaking.
Additionally, the type of pan used can affect the baking time and the likelihood of overbaking. Metal pans are generally recommended over glass pans, as they conduct heat more efficiently and help ensure even baking. Using a darker pan can also reduce the baking time, as it absorbs more heat and can cause the bars to brown more quickly.
To avoid overbaking, it is also important to ensure that the oven temperature is accurate. A simple oven thermometer can be used to check the oven temperature and ensure that it matches the temperature specified in the recipe. This helps to prevent overbaking due to an oven that may be running too hot.
Finally, allowing the cookie bars to cool completely before cutting and serving can also help prevent overbaking. The centers of the bars may look quite molten when they come out of the oven, but they will continue to cook and solidify as they cool. For best results, it is recommended to let the bars cool overnight before cutting and serving.
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Use parchment paper for easy removal
Baking cookie bars in a bar pan is a quick and easy way to make cookies. The process involves pressing the dough into a pan and baking it, eliminating the need to shape individual cookies. However, removing the baked goods from the pan can be a challenge. This is where parchment paper comes to the rescue.
Parchment paper is a kitchen staple that can be used in various baking applications, including lining cookie sheets and cake pans. When it comes to baking cookie bars in a bar pan, parchment paper is a game-changer for easy removal. By lining your bar pan with parchment paper, you create a non-stick surface that allows the baked goods to be lifted out effortlessly.
To use parchment paper for easy removal of cookie bars, start by turning your bar pan upside down. Place a sheet of parchment paper over the bottom of the pan and smooth it out to fit the contours. Then, flip the pan over and place the formed liner inside, ensuring that the liner extends a couple of inches beyond the pan's edges. This overhang will serve as handles for lifting the cookie bars out of the pan later.
Once your cookie dough is ready, simply spread it evenly into the prepared pan and bake according to your recipe. After baking, allow the cookie bars to cool completely before attempting to remove them from the pan. When they have cooled sufficiently, grasp the edges of the parchment paper and lift the entire batch of cookie bars out of the pan and onto a cutting board. From there, you can cut the cookie bars into your desired shapes, such as squares, rectangles, or triangles.
Using parchment paper for easy removal of cookie bars from a bar pan ensures that your baked goods come out intact and makes cleanup a breeze. So, the next time you're whipping up a batch of cookie bars, be sure to reach for the parchment paper!
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Reheat in the microwave
Cookie bars can be reheated in the microwave, but there are a few things to keep in mind. Firstly, it is important not to overheat them, as this can cause the ingredients to liquify, burn the cookie, or even cause burns to your mouth. It is recommended to reheat cookies for a very brief period, just until they are warm.
To prevent cookies from drying out in the microwave, there are a few tricks you can try. One method is to place a damp paper towel over the cookies before microwaving them. Make sure the paper towel is only damp and not too wet, as this can make the cookies soggy. Alternatively, you can place a glass of water in the microwave alongside the cookies. Both methods provide moisture for the cookies to absorb, helping to maintain their chewy texture.
If you are reheating cookies with chocolate chips or other additives, be cautious not to overheat them, as the chocolate can become extremely hot and burn your mouth. Additionally, some store-bought cookies may contain preservative chemicals that do not react well to microwaving, so it is advised to exercise caution when reheating these cookies.
While the microwave is a convenient option for reheating cookies, there are other methods available, such as using a toaster oven, air fryer, or skillet, which can also produce desirable results.
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Frequently asked questions
Bake your cookie bars for 18 to 25 minutes or until golden brown.
A cake tester inserted into the centre will come out gooey, but so long as no wet batter is showing farther out towards the edges, the bars are done.
Use a heatproof spatula to press down the risen edges as soon as you take the bars out of the oven.
Let the bars cool completely before cutting; overnight is best.
Line your pan with heavy-duty foil or parchment paper, leaving an overhang on the long sides of the pan. Once the bars are cool, lift them out of the pan and cut into squares.











































