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Pumpkin Cookie Bars with Brown Sugar Frosting

Thick and chewy pumpkin cookie bars are topped with an incredible brown sugar frosting for a perfect fall time dessert! Imagine a cross between a cookie and a blondie and you get these cookie bars! Filled with lots of spices and pumpkin. No one will suspect it’s vegan, dairy free, egg free, and nut free!

A stack of vegan pumpkin cookie bars on parchment paper. One is angled against the tall stack.

These vegan pumpkin cookie bars are such a fun twist on a chocolate chip bar cookie. The dough is filled with lots of real pumpkin, tons of spices like cinnamon and ginger, and really bring the autumn flavors.

  • Super easy to make in one bowl
  • Loaded with pumpkin pie spices
  • Thick and chewy cookies
  • Topped with brown sugar frosting
  • Totally dairy free, egg free, nut free

Ingredients

For the full list of ingredients, complete with the recipe amounts, please see the recipe box below.

Ingredients for the vegan pumpkin bar cookies in various bowls and plates on a wood table. Black and white labels have been added to name eeach ingredient.
  • Pumpkin: Make sure to use real pumpkin and not pumpkin pie filling. That way you can control the spices exactly. Also, sometimes pie filling has additional ingredients like binders and stabilizers we don’t need in the cookie.
  • Molasses: Using molasses helps to not only give these cookies an amazing depth of flavor but also give them the chewy texture!
  • Pumpkin Pie Spices: Use either two teaspoons of your favorite pumpkin pie spice mix, or use cinnamon, ginger, allspice, and cloves individually to customize the flavors!

Instructions

Make sure to check out the recipe card below for the full recipe and ingredient list.

  1. Mix the dry ingredients together. You’ll need all purpose flour, baking powder and soda, cornstarch, cream of tartar, and you can use some homemade pumpkin pie spice!
A glass bowl is filled with the whisked together dry ingredients for the pumpkin cookie bars.
  1. Whisk the wet ingredients together. Mix together the vegan butter, pumpkin, brown and granulated sugars, vanilla, and the molasses to make it extra autumnal.
  2. Combine the ingredients and pour into an 8×8-inch (20×20-cm) pan. Make sure the pan is lined with parchment paper so that the bars pop out easily.
A dark metal pan is lined with parchment and filled with the pumpkin cookie dough before baking.
  1. Bake for about 25 minutes. Baking times can vary depending on the type of pan that you used and what type of oven you have. The cookie bars are done when a toothpick inserted into the center comes out clean and the bars have slightly pulled away from the edges of the pan.
  2. Frost and serve! Mix together the frosting with a hand mixer or stand mixer and spread over top the cooled cookies. Serve and enjoy!
A white pot is filled with the brown sugar frosting. It is being mixed by a wood spoon.
The brown sugar frosting is being spread on top of the pumpkin cookie bars with an offset spatula.

How to Store 

Since there is vegan butter in the frosting, if you have frosted these bars, you should store them in the fridge for best results. 

  • Fridge: Keep pumpkin bars covered in the fridge for up to 4 days. 
  • Freezer: You can freeze fully baked and cooled but unfrosted pumpkin bars for up to 2 months in a freezer safe container. Allow the bars to thaw before frosting and serving.
Looking down at 12 slices of a vegan pumpkin cookie bars covered in brown sugar frosting. It rests on a multi colored towel next to a mini pumpkin.

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A stack of vegan pumpkin cookie bars on parchment paper. One is angled against the tall stack.

Pumpkin Cookie Bars with Brown Sugar Frosting

Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes
Course: Dessert
Cuisine: American, Baked Goods
Keyword: cookies, dessert, fall, frosting, pumpkin, vegan baking
Servings: 12 cookie bars
Calories: 255kcal

Equipment

  • Mixing bowls and spoons
  • Measuring cups and spoons
  • Hand mixer or stand mixer
  • Whisk
  • Wire rack
  • Saucepan

Ingredients

Pumpkin Cookie Bars

  • 1/2 cup vegan butter softened
  • 1/4 cup brown sugar
  • 1/2 cup white sugar
  • 1/4 cup pumpkin
  • 2 teaspoons vanilla
  • 1 tablespoon molasses
  • 1 1/2 cups all purpose flour
  • 1/4 teaspoon salt
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 2 teaspoons cornstarch
  • 1/4 teaspoon cream of tartar
  • 2 teaspoons pumpkin pie spice

Brown Sugar Frosting

  • 3 tablespoons vegan butter
  • 3 tablespoons brown sugar
  • 1 cup powdered sugar
  • Splash vanilla
  • Pinch salt

Instructions

  • Preheat the oven to 350°F/180°C and grease and line an 8×8-inch (20×20-cm) baking pan. Set aside. Make sure the oven rack is in the middle of the oven.
  • Mix the dry ingredients. In a small bowl, whisk together the all purpose flour, baking powder, baking soda, cornstarch, cream of tartar, and pumpkin pie spices.
  • Mix the wet ingredients. In a large bowl with a hand mixer, or in a stand mixer with the paddle attachment, cream together the room temperature vegan butter with the brown sugar, white sugar, and pumpkin. Then, add the vanilla and molasses. Mix again.
  • Combine ingredients. Add the dry ingredients to the wet and mix together. The batter will be soft. Spread this into the prepared pan and use a spatula or spoon to help gently press the dough into the corners.
  • Bake. Bake uncovered for about 25 minutes. The cookie bars are done when a toothpick inserted into the center pulls out clean. Remove the bars from the oven and place the pan on a wire rack to cool completely.
  • Make the frosting. When the pumpkin bars are cool it’s time to make the frosting. In a small saucepan over low-medium heat, combine the vegan butter with brown sugar. Stir until it is completely melted. Let this simmer for 1 minute before removing from the heat for the remainder of the recipe. Add the vanilla and stir. Now add in the powdered sugar and salt. Mix until the frosting is formed. You may need to add a splash of dairy free milk to get the right texture depending on what type of vegan butter you have used.
  • Frost the cookies and enjoy!

Notes

How to Store 
    • Since there is vegan butter in the frosting, if you have frosted these bars, you should store them in the fridge for best results. 
    • Fridge: Keep pumpkin bars covered in the fridge for up to 4 days. 
    • Freezer: You can freeze fully baked and cooled but unfrosted pumpkin bars for up to 2 months in a freezer safe container. Allow the bars to thaw before frosting and serving.

Nutrition

Calories: 255kcal | Carbohydrates: 40g | Protein: 2g | Fat: 10g | Saturated Fat: 2g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 5g | Trans Fat: 2g | Sodium: 214mg | Potassium: 76mg | Fiber: 0.5g | Sugar: 27g | Vitamin A: 207IU | Vitamin C: 0.3mg | Calcium: 35mg | Iron: 1mg
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Vegan cookies for every occasion! From classic vegan chocolate chip cookies to sugar cookies perfect for the holidays, these cookies are easy to make and always super delicious.

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