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Pumpkin Spice Cookie Bars with Pumpkin Spice Buttercream

A fork with a bite of pumpkin spice cookie bar on a stack of white plates in front of a small cup of coffee.
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Moist, chewy, and loaded with fall-time flavor, these dairy-free pumpkin spice cookie bars with pumpkin spice buttercream are a must make fall treat!

Ingredients

Scale

Pumpkin Spice Cookie Bars

  • ½ cup Pumpkin Puree (squeeze out moisture)
  • ½ cup Plant-Based Butter (at room temperature)
  • 1 large Egg (at room temperature)
  • ¾ cup Sugar
  • ¼ cup Brown Sugar
  • 1 teaspoon Vanilla
  • 1½ cup Flour (all-purpose)
  • ¾ teaspoon Cream of Tartar
  • ¼ teaspoon Baking Soda
  • ½ teaspoon Salt
  • ½ teaspoon Cinnamon
  • 1 teaspoon Pumpkin Pie Spice

Pumpkin Spice Buttercream

  • ¼ cup Plant-Based Butter (at room temperature)
  • 1 cup Powdered Sugar
  • 1 Tablespoon Non-Dairy Milk
  • ½ teaspoon Vanilla
  • ½ teaspoon Pumpkin Pie Spice

Instructions

  1. Preheat the oven to 350°F and line an 8×8-inch square baking pan with parchment paper.
  2. Place ½ cup pumpkin puree in a dish towel and squeeze out as much liquid as possible.
  3. In the base of a stand mixer or in a bowl with a hand mixer, beat together ½ cup plant-based butter, pumpkin puree, ¾ cup sugar, and ¼ cup brown sugar.
  4. Add the 1 egg and 1 teaspoon vanilla and beat to combine.
  5. In a medium mixing bowl stir together 1½ cups flour, ¾ teaspoon cream of tartar, ¼ teaspoon baking soda, ½ teaspoon salt, ½ teaspoon cinnamon, and 1 teaspoon pumpkin pie spice.
  6. Fold the dry ingredients into the wet ingredients until combined.
  7. Pour into the baking dish and spread evenly in the pan. I use an off-set spatula to help spread the batter into the pan.
  8. Bake 28-30 minutes or until a toothpick comes out clean. Allow to cool before frosting.
  9. While the cookie bars cool make the frosting.
  10. In the base of a stand mixer or in a bowl with a hand mixer beat ¼ cup plant-based butter, 1 cup powdered sugar, 1 Tablespoon non-dairy milk, ½ teaspoon vanilla, and ½ teaspoon pumpkin pie spice until well combined.
  11. Ice the cookie bar slab and slice into squares.

Find it online: https://mylifeafterdairy.com/pumpkin-spice-cookie-bars-with-pumpkin-spice-buttercream-frosting/