This sourdough pumpkin spice bars are my comfort food! It comes together quickly and super delicious. The cream cheese frosting brings these bars to another level! It has the perfect combinations of tangy sourdough and warm pumpkin spice flavor. This recipe is perfect for your fall gatherings, the crowd will thank you.
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Ingredients
Cake:
- 3 eggs
- 1 + 2/3 cup sugar
- 1 cup oil
- 16 oz pumpkin puree
- 1/2 cup sourdough starter fed or unfed
- 2 cups flour
- 2 tsp baking powder
- 2 tsp cinnamon
- 1 tsp salt
- 1 tsp baking soda
- 1/2 tsp vinegar
- 1/2 tsp nutmeg (optional)
Cream Cheese Frosting
- 1 package 8 oz cream cheese
- 2 cups powder sugar
Directions
- Preheat your oven to 350 F.
- Butter your 9×13 pan and set aside.
- In the kitchen aid stand mixer, beat together the eggs, sugar, oil, pumpkin puree and sourdough starter.
- Next add in the baking powder, salt, cinnamon.
- Mix the baking soda with the vinegar, they will create a foam. Add to the mixture
- Add flour and mix.
- Pour the batter into the 9×13 pan and bake for 40-50 mins, or until a toothpick comes out clean.
- Wait for it to cool off.
- Once the cake has completely cooled, spread the cream cheese frosting on the top.
- Slice and serve!
- Enjoy
Prepare the frosting
- In the stand mixer whip the cream cheese for about 5 mins until smooth and creamy.
- Add in 2 cups powdered sugar and mix well.

Sourdough Pumpkin Spice Bars
These sourdough pumpkin spice bars offer a unique twist on the traditional pumpkin spice treats, with the tangy notes of sourdough and warm pumpkin spice is a delight in every bite.
Ingredients
Cake
- 3 eggs
- 1 2/3 cup sugar
- 1 cup oil
- 16 oz pumpkin puree
- 1/2 cup sourdough starter fed or unfed
- 2 cups flour
- 2 tsp baking powder
- 2 tsp cinnamon
- 1 tsp salt
- 1 tsp baking soda
- 1/2 tsp vinegar
- 1/2 tsp nutmeg optional
Cream Cheese Frosting
- 1 package cream cheese
- 2 cups powdered sugar
Instructions
- Preheat your oven to 350 F.
- Butter your 9x13 pan and set aside.
- In the kitchen aid stand mixer, beat together the eggs, sugar, oil, pumpkin puree and sourdough starter.
- Next add in the baking powder, salt, cinnamon.
- Mix the baking soda with the vinegar, they will create a foam. Add to the mixture.
- Add flour and mix.
- Pour the batter into the 9x13 pan and bake for 40-50 mins, or until a toothpick comes out clean.
- Wait for it to cool off.
- Once the cake has completely cooled, spread the cream cheese frosting on the top.
- Slice and serve!
- Enjoy!
Cream cheese frosting
- In the stand mixer whip the cream cheese for about 5 mins until smooth and creamy.
- Add in 2 cups powdered sugar and mix well.
- Place in fridge until you are ready to use.
5 comments
Yummm looks so good!
Oh wow!! This looks incredible! Can’t wait to try!
This is so beautiful and appetizing pumpkin bars and it’s sourdough! I love both!
This looks and sounds so delicious. Thank you for sharing this easy to make to make treat. 😊
Pastor Natalie (Examine This Moment)
Letstakeamoment.com
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