Autumn Pumpkin Spice Crumble Cake is the kind of cozy homemade dessert that makes the whole kitchen smell like fall. This soft and moist pumpkin cake is packed with warm pumpkin spice flavor and finished with a generous layer of buttery cinnamon crumble. Every bite combines tender pumpkin cake with a sweet, slightly crisp topping that makes this dessert incredibly comforting.

Made with simple pantry ingredients and real pumpkin puree, this pumpkin spice crumble cake is easy enough for a casual weekend bake but delicious enough to serve at Thanksgiving, fall gatherings, family dinners, brunches, or holiday celebrations.

The combination of pumpkin, cinnamon, nutmeg, ginger, and brown sugar creates the classic autumn flavor everyone loves. The buttery crumble topping adds another layer of texture and sweetness, while the moist pumpkin cake keeps every bite soft and tender.

Serve this Autumn Pumpkin Spice Crumble Cake slightly warm with coffee, tea, whipped cream, or a scoop of vanilla ice cream. You can even drizzle it with a simple vanilla glaze for an extra-special finish.

If you love pumpkin desserts, easy fall baking recipes, and cozy homemade cakes, this pumpkin spice crumble cake is one recipe you will want to make again and again.

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Ingredients

For the Pumpkin Spice Cake:

• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 2 teaspoons pumpkin pie spice
• 1/2 teaspoon ground cinnamon
• 1 cup pumpkin puree
• 3/4 cup granulated sugar
• 1/2 cup packed light brown sugar
• 2 large eggs
• 1/2 cup vegetable oil
• 1/3 cup milk
• 2 teaspoons vanilla extract

For the Crumble Topping:

• 3/4 cup all-purpose flour
• 1/2 cup packed brown sugar
• 1 teaspoon ground cinnamon
• 1/4 teaspoon pumpkin pie spice
• Pinch of salt
• 6 tablespoons unsalted butter, melted
• 1/2 cup chopped pecans or walnuts, optional

Optional Vanilla Glaze:

• 1 cup powdered sugar
• 1–2 tablespoons milk
• 1/2 teaspoon vanilla extract

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Preparation

Step 1: Prepare the Oven and Baking Pan

Preheat your oven to 350°F (175°C).

Grease a 9-inch square baking pan or an equivalent baking dish with butter or nonstick cooking spray. For easier removal, line the bottom with parchment paper, leaving a little overhang on two sides.

Set the prepared pan aside while you make the batter.

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Step 2: Mix the Dry Ingredients

In a medium bowl, whisk together:

• All-purpose flour
• Baking powder
• Baking soda
• Salt
• Pumpkin pie spice
• Ground cinnamon

Whisk until the spices are evenly distributed throughout the flour.

This step helps prevent pockets of baking powder, baking soda, or spices from remaining in the finished cake.

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Step 3: Combine the Pumpkin and Wet Ingredients

In a large mixing bowl, add the pumpkin puree, granulated sugar, brown sugar, eggs, vegetable oil, milk, and vanilla extract.

Whisk until the mixture is smooth and well combined.

The pumpkin gives the cake its beautiful orange color and helps create a soft, moist texture.

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Step 4: Combine Wet and Dry Mixtures

Gradually add the dry ingredients to the pumpkin mixture.

Using a spatula or wooden spoon, gently mix until everything is just combined.

Do not overmix the batter. A few tiny streaks of flour are fine because the batter will continue coming together as you fold it.

Overmixing can make the pumpkin cake dense instead of soft and tender.

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Step 5: Prepare the Crumble Topping

In a separate bowl, combine the flour, brown sugar, cinnamon, pumpkin pie spice, and salt.

Pour in the melted butter and stir with a fork until the mixture forms coarse crumbs.

If using chopped pecans or walnuts, fold them into the crumble mixture.

The crumble should have a mixture of small crumbs and larger chunks. Those larger pieces become deliciously crisp and buttery during baking.

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Step 6: Add the Pumpkin Cake Batter to the Pan

Pour the pumpkin cake batter into the prepared baking pan.

Spread it evenly with a spatula, making sure the batter reaches the corners.

Gently smooth the surface without pressing down too much.

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Step 7: Add the Crumble Topping

Sprinkle the prepared crumble mixture evenly over the entire surface of the pumpkin cake batter.

Make sure to cover the cake from edge to edge.

For an extra generous crumble topping, slightly press some of the larger crumbs together before sprinkling them over the cake.

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Step 8: Bake the Cake

Place the pan in the preheated oven.

Bake for approximately 38–45 minutes, or until the top is golden brown and a toothpick inserted into the center of the cake comes out clean or with a few moist crumbs.

Avoid overbaking because pumpkin cakes can become dry if left in the oven too long.

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Step 9: Check for Doneness

Begin checking the cake around the 38-minute mark.

The cake should look set in the center, while the crumble topping should be lightly golden and fragrant.

A toothpick inserted into the center should not have wet batter attached to it.

If the top is browning too quickly while the center still needs more time, loosely cover the cake with aluminum foil and continue baking.

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Step 10: Cool the Cake

Remove the cake from the oven and place it on a wire rack.

Allow it to cool in the pan for about 15–20 minutes.

This gives the cake time to finish setting and allows the crumble topping to become slightly crisp.

For clean slices, allow the cake to cool further before cutting.

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Step 11: Make the Optional Vanilla Glaze

If you want an extra sweet finish, prepare a simple vanilla glaze.

Whisk together powdered sugar, milk, and vanilla extract until smooth.

Add a tiny amount of milk at a time until you reach your desired consistency.

For a thicker glaze, use less milk. For a thinner drizzle, add a little more.

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Step 12: Drizzle and Serve

Once the cake has cooled slightly, drizzle the vanilla glaze over the crumble topping.

Cut the cake into squares and serve.

For the ultimate fall dessert, serve it slightly warm with a scoop of vanilla ice cream or a dollop of whipped cream.

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Variation

1. Pumpkin Pecan Crumble Cake

Add 3/4 cup chopped pecans to the crumble topping for extra crunch and a classic Southern-inspired flavor.

2. Pumpkin Apple Crumble Cake

Add 1 cup finely diced peeled apples to the pumpkin batter. Granny Smith, Honeycrisp, or Fuji apples work especially well.

3. Cream Cheese Pumpkin Crumble Cake

Add a layer of sweetened cream cheese between the pumpkin batter and crumble topping. This creates a creamy cheesecake-style center.

4. Maple Pumpkin Crumble Cake

Replace a portion of the brown sugar with pure maple syrup and add a little extra flour if needed to maintain the correct batter consistency.

5. Chocolate Chip Pumpkin Cake

Fold 3/4 cup semi-sweet chocolate chips into the pumpkin batter before transferring it to the baking pan.

6. Pumpkin Spice Coffee Cake

Serve this cake as a breakfast or brunch dessert with hot coffee. Add extra cinnamon to the crumble topping for a stronger coffee-cake flavor.

7. Walnut Pumpkin Crumble Cake

Replace the pecans with chopped walnuts for a slightly earthier nutty flavor.

8. Caramel Pumpkin Crumble Cake

Drizzle warm caramel sauce over each serving before adding whipped cream or vanilla ice cream.

9. White Chocolate Pumpkin Cake

Fold white chocolate chips into the batter and drizzle melted white chocolate over the cooled cake.

10. Orange Pumpkin Spice Cake

Add 1 teaspoon of finely grated orange zest to the batter for a bright citrus note that pairs beautifully with pumpkin spice.

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COOKING Note:

Use 100% pure pumpkin puree, not pumpkin pie filling. Pumpkin pie filling already contains sugar and spices and will change the flavor and consistency of the cake.

For the best texture, avoid overmixing the batter once the flour has been added. Mix just until the ingredients are incorporated.

The crumble topping should remain crumbly rather than becoming a smooth paste. If it seems too wet, add a tablespoon of flour. If it seems too dry, add a small amount of melted butter.

Room-temperature eggs and other ingredients generally help create a smoother, more evenly mixed cake batter.

Let the cake cool for at least 15–20 minutes before slicing. If you cut it immediately from the oven, the center may be softer and the crumble topping may not have fully set.

For an especially cozy dessert, warm individual slices for a few seconds before serving and top with vanilla ice cream.

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Serving Suggestions:

Serve Autumn Pumpkin Spice Crumble Cake with:

• Vanilla ice cream
• Whipped cream
• Caramel sauce
• Maple syrup
• Powdered sugar
• Vanilla glaze
• Cinnamon whipped cream
• Chopped toasted pecans
• Warm apple compote
• A drizzle of salted caramel
• Hot coffee
• Pumpkin spice latte
• Chai tea
• Black tea
• Hot apple cider

For Thanksgiving or a fall dinner party, cut the cake into small squares and arrange them on a serving platter. Add a light dusting of powdered sugar just before serving.

For breakfast or brunch, serve smaller slices alongside coffee or tea.

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Tips:

1. Use pure pumpkin puree: This gives you better control over the sweetness and spices.
2. Do not overmix: Overmixing can develop too much gluten and result in a dense cake.
3. Measure flour correctly: Spoon flour into the measuring cup and level it rather than packing it down.
4. Use fresh pumpkin spice: Older spices can lose their aroma and make the cake taste less flavorful.
5. Make the crumble chunky: Larger crumble pieces create a much more satisfying texture.
6. Do not overbake: Remove the cake as soon as a toothpick comes out clean or with a few moist crumbs.
7. Let it cool: Cooling allows the pumpkin cake to firm up and makes slicing easier.
8. Add nuts for texture: Pecans and walnuts both work beautifully with pumpkin spice.
9. Use parchment paper: This makes removing the cooled cake from the pan much easier.
10. For extra moisture: Store the cake covered at room temperature for short-term storage or refrigerate it for longer storage.
11. For a stronger spice flavor: Add an extra 1/2 teaspoon of pumpkin pie spice to the batter.
12. For a sweeter dessert: Add the vanilla glaze or serve with caramel sauce.
13. For clean slices: Use a sharp knife and wipe it clean between cuts.
14. For the best crumble: Use melted butter that has cooled slightly before mixing it with the dry ingredients.
15. Do not substitute pumpkin pie filling: It can make the batter too sweet and alter the consistency.

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Prep Time:

20 minutes

Cooking Time:

38–45 minutes

Total Time:

About 1 hour 5 minutes

Nutritional Information:

Approximate per serving, based on 12 servings and without optional glaze or ice cream.

• Calories: Approximately 365
• Protein: Approximately 4 g
• Sodium: Approximately 250 mg

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FAQs

Can I use canned pumpkin for this pumpkin spice crumble cake?

Yes. Canned 100% pure pumpkin puree is ideal for this recipe. Do not use canned pumpkin pie filling because it already contains sugar and spices.

Can I make Autumn Pumpkin Spice Crumble Cake ahead of time?

Yes. This cake is excellent for making ahead. Prepare it up to one day in advance, cover it tightly, and store it according to your preferred storage method.

Can I freeze pumpkin crumble cake?

Yes. Allow the cake to cool completely, then wrap individual pieces tightly in plastic wrap and place them in a freezer-safe container or bag. Freeze for up to about 2–3 months for best quality.

How do I thaw pumpkin crumble cake?

Transfer the cake to the refrigerator overnight or allow individual portions to thaw at room temperature. You can gently warm a slice before serving.

Can I add cream cheese?

Absolutely. A sweet cream cheese layer pairs wonderfully with pumpkin spice and turns this cake into a pumpkin cheesecake-style dessert.

Can I add pecans?

Yes. Pecans are one of the best additions to the crumble topping. They add crunch and a buttery, nutty flavor that complements pumpkin perfectly.

Can I use walnuts instead of pecans?

Yes. Chopped walnuts can be substituted for pecans in equal amounts.

Why is my pumpkin cake dense?

The most common causes are overmixing the batter, using too much flour, or overbaking the cake. Mix only until the ingredients are combined and measure the flour carefully.

Can I make this cake without nuts?

Yes. Simply leave the pecans or walnuts out of the crumble topping. The cake will still have plenty of flavor and texture from the buttery cinnamon crumble.

Can I make this recipe into muffins?

Yes. Divide the batter among a lined muffin pan, add crumble topping to each muffin, and reduce the baking time. Start checking them early because muffins bake faster than a full cake.

What type of pan is best?

A 9-inch square baking pan works very well. You can also use a similar-sized rectangular baking dish, although the baking time may vary slightly depending on the depth of the batter.

How should I store pumpkin crumble cake?

Keep the cake covered at room temperature for short-term storage. For longer storage, refrigerate it in an airtight container. Allow refrigerated slices to come closer to room temperature before serving or warm them gently.

Can I serve this cake warm?

Yes. Warm pumpkin crumble cake is especially delicious with vanilla ice cream, whipped cream, or caramel sauce.

What can I use instead of vegetable oil?

A neutral oil such as canola oil can be used. Melted butter can also be used, although it may slightly change the texture and flavor.

Can I add chocolate chips?

Yes. Semi-sweet, milk chocolate, or white chocolate chips all work well with pumpkin spice.

Can I make the crumble topping ahead?

Yes. Prepare the crumble mixture and refrigerate it in an airtight container for up to a day before baking. Break up any large pieces before sprinkling it over the cake.

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Conclusion

Autumn Pumpkin Spice Crumble Cake is the perfect homemade dessert for celebrating everything wonderful about fall. The moist pumpkin cake is filled with warm cinnamon and pumpkin spice flavors, while the buttery brown sugar crumble creates a delicious contrast between soft cake and crisp topping.

Whether you’re baking for Thanksgiving, a family gathering, Sunday brunch, a cozy afternoon coffee break, or simply craving an easy pumpkin dessert, this recipe delivers classic autumn flavor in every bite.

For an extra-special presentation, drizzle the finished cake with vanilla glaze, add toasted pecans, and serve each warm slice with a scoop of vanilla ice cream. The combination of pumpkin, cinnamon, brown sugar, and buttery crumble makes this an irresistible fall pumpkin dessert that is perfect for sharing.

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