This delicious dessert recipe for sourdough pumpkin cinnamon roll cake is perfection! Moist, pumpkin cake swirling with decadent buttery brown sugar and cinnamon. Top it with from scratch icing and enjoy warm or served with ice cream for a special fall dessert!

Adding Sourdough to Sweet Recipes
Adding sourdough starter to sweet recipes offers a unique taste and delightful texture! Recipes for things like cakes, breads, and crusts are more moist and infused with unbeatable flavor.
To add active or discard sourdough starter to dessert recipes simply start small. Even a 1/4 cup of added starter can make your recipes more chewy, soft and more flavorful.
This recipe for pumpkin cinnamon roll cake calls for 1/2 a cup of starter. It gives this recipe a sweet moisture with a slight tang. If you prefer the sweetness over the tang, simply adjust to less sourdough starter.
Want to make this recipe but don’t have sourdough starter? You can buy our dehydrated sourdough packets and make your own delicious recipes in just 3-4 days. Or you can learn how to make your own starter from scratch here!
How to Make the Perfect Swirling Pattern for Your Pumpkin Cinnamon Roll Cake
This cinnamon roll turned cake takes all the work out of traditional cinnamon rolls but leaves nothing to be desired when it comes to taste! There is no rise time, no rolling, and the process is very simple.
When it comes to getting the perfect “cinnamon roll” taste and texture the swirling pattern makes all the difference. You don’t want too much of the buttery brown sugar and cinnamon mixture in one bite. However, for the best results you want a well balanced bit of sugar and cake in each bite.

Here’s how to get that perfect, pretty swirl pattern in your cinnamon roll cake…
1. Fill your 9×13 dish with the cake batter. Make sure it is evenly spread. Gently tap the pan on the countertop to release any air bubbles.
2. Scoop a tablespoon amount of the sugar and butter mixture onto the dough as if it were cookie dough on a sheet pan. Space about 2 inches apart in rows all throughout the batter.
3. Using a butter knife, drag the knife through the edges of the batter and through the butter mixture going up and down, through the rows of your spoonfuls of butter/sugar mixture.
4. Repeat several times to get the swirl pattern. As it bakes, the batter will help to evenly spread the butter mixture and will bake around it to create those crunchy, sugary swirls in your cinnamon roll cake.
Ingredients for Pumpkin Cinnamon Roll Cake
The ingredients for sourdough pumpkin cinnamon roll cake are simple! Here’s all you will need…
- 1/2 cup sourdough starter, active or discard
- 1/4 cup warm water
- 1/3 cup butter or oil
- 1/2 cup sugar
- 1 cup pumpkin purée
- 1 1/2 tsp vanilla
- 1/2 tsp salt
- 2 eggs
- 2 tsp cinnamon
- 1/2 tsp pumpkin spice, optional
- 1 tsp baking powder
- 1 1/2 cups flour
Butter & Sugar Swirls
- 1/2 stick butter
- 1 cup brown sugar
- 2 tbsp flour
- 1 tsp cinnamon
Icing
- 2 cups powdered sugar
- 4 tbsp whole milk
- 1 tsp vanilla extract

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Other Pumpkin Recipes
As a homemaker and lover of from scratch food, baking seasonally keep my work from being monotonous. That’s why I live sharing these simple, real food recipes with you from my kitchen to yours. If you are looking for more ways to enjoy seasonal baking and festive recipes, check out these other pumpkin desserts here on the blog…..
- Baked Sourdough Pumpkin Donuts
- Baked Pumpkin Oatmeal
- Sourdough Pumpkin Loaf
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Sourdough Pumpkin Cinnamon Roll Cake Recipe
Equipment
- 1 9×13 cake dish
Ingredients
- 1/2 cup sourdough starter active or discard
- 1/4 cup warm water
- 1/3 cup butter or oil
- 1/2 cup sugar
- 1 cup pumpkin purée
- 1 1/2 tsp vanilla
- 2 eggs
- 2 tsp cinnamon
- 1/2 tsp pumpkin spice optional
- 1/2 tsp salt
- 1 tsp baking powder
- 1 1/2 cups flour
Butter & Sugar Swirls
- 1/2 stick butter
- 1 cup brown sugar
- 2 tbsp flour
- 1 tsp cinnamon
Icing
- 2 cups powdered sugar
- 4 tbsp whole milk
- 1 tsp vanilla extract
Instructions
- Combine sourdough starter and warm water. Allow to dissolve about 5 minutes before stirring.
- Add melted butter, sugar, pumpkin puree, vanilla, and eggs.
- In a separate bowl mix together salt, baking powder, and flour. Slowly combine flour mixture with the wet ingredients. Whisk until well combined.
- Pour cake batter into a well greased 9×13 cake pan and sit to the side.
- In a separate bowl mix softened butter, brown sugar, flour, and cinnamon until buttery and soft. Drop tablespoon amount onto the top of the cake batter, spaced about two inches apart and one inch rows.
- To create your cinnamon swirls, simply drag a butterknife through the batter and spoonfuls of butter mixture swirl it through the rows longways. Then drag the knife sideways to create the perfect swirls. Repeat if necessary.
- Bake for 30-35 minutes or until the top is golden brown.
- For icing, combine powdered sugar, vanilla, and milk in a medium sized bowl. Mix well until no clumps are present. Refrigerate until cake has baked and fully cooled. Glaze on top fully or drizzle.




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