Embrace the comforting flavors of fall with this Ultimate Autumn Pumpkin Spice Crumble Cake. Featuring a tender, spiced pumpkin sponge topped with a buttery brown sugar pecan streusel and a silky maple drizzle, this slice of autumn perfection is ideal for chilly mornings, holiday gatherings, or afternoon coffee breaks.
Here at inasrecipes.com, we love sharing cozy, seasonal recipe ideas that bring warm aromas and bakery-quality results right into your kitchen!
Rich and Creamy New York Cheesecake
Table of Contents
Food Science: Pectin Hydration, Lipid Shortening & Warm Spice Extraction
Achieving a moist, structured crumb topped with a crisp, non-soggy streusel relies on key baking chemistry principles:
- Pectin & Hydrocolloid Moisture Trapping: Pumpkin puree is rich in soluble fibers and pectins that bind water tightly within the batter. This hydrocolloid network locks in moisture long after baking, ensuring the cake remains plush and tender without feeling gummy or heavy.
- Cold Lipid Barrier in Streusel topping: Mixing cold, cubed butter into flour and brown sugar creates small fat pockets rather than a fully emulsified batter. As the cake bakes, the fat melts slowly, caramelizing the sugars while preventing the flour from absorbing excess moisture from the pumpkin base.
- Fat-Soluble Spice Terpene Activation: Cinnamon, nutmeg, ginger, and cloves contain aromatic terpenes (such as cinnamaldehyde and eugenol) that dissolve best in lipids. Blooming these warm spices directly into the melted butter and oil base extracts maximum fragrance and ensures an even, rounded spice profile.
Recipe Masterclass: Ultimate Autumn Pumpkin Spice Crumble Cake
Prep time: 20 min | Bake time: 40 min | Yield: 10-12 Servings
Ingredients
For the Pumpkin Spice Cake:
- 2 cups (240g) all-purpose flour
- 1.5 tsp baking powder
- 1/2 tsp baking soda
- 1/2 tsp fine sea salt
- 2 tsp pumpkin pie spice (ground cinnamon, nutmeg, ginger, cloves)
- 1 cup (200g) granulated sugar
- 1/2 cup (100g) dark brown sugar, packed
- 1/2 cup (120ml) neutral vegetable oil or melted unsalted butter
- 1 can (15 oz / 425g) pure pumpkin puree (not pumpkin pie mix)
- 3 large eggs, room temperature
- 1 tsp pure vanilla extract
For the Cinnamon Pecan Crumble:
- 1 cup (120g) all-purpose flour
- 1/2 cup (100g) dark brown sugar, packed
- 1 tsp ground cinnamon
- 1/2 cup (115g) cold unsalted butter, cubed
- 1/2 cup (60g) pecans, finely chopped
For the Maple Glaze:
- 1 cup (120g) powdered sugar, sifted
- 2 tbsp pure maple syrup
- 1-2 tbsp heavy cream or milk
Instructions
1.Prepare the Cinnamon Pecan Crumble:5 mins.
In a medium bowl, combine the flour, dark brown sugar, ground cinnamon, and chopped pecans. Cut in the cold cubed butter using a pastry cutter or your fingertips until coarse, pea-sized crumbs form. Transfer to the refrigerator while prepping the batter.
2.Mix Dry & Wet Ingredients:5 mins.
Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish. In one bowl, whisk together the flour, baking powder, baking soda, salt, and pumpkin pie spice. In a large bowl, whisk the granulated sugar, brown sugar, oil, pumpkin puree, eggs, and vanilla extract until smooth.
3.Combine & Layer Batter:3 mins.
Fold the dry ingredients into the wet pumpkin mixture using a rubber spatula just until combined. Spread the batter evenly into the prepared baking dish.
4.Top with Crumble & Bake:40 mins.
Scatter the chilled cinnamon pecan crumble generously across the entire surface of the batter. Bake at 350°F (175°C) for 38 to 42 minutes until a toothpick inserted into the center comes out clean. Transfer to a wire rack to cool completely.
5.Glaze & Serve:2 mins.
Whisk the powdered sugar, maple syrup, and milk together until smooth. Drizzle over the cooled crumble cake, let set for 10 minutes, and slice for an incredible recipe experience!
Frequently Asked Questions (FAQ)
How long does pumpkin spice cake last?
Stored in an airtight container at room temperature, pumpkin spice cake stays fresh and soft for 3 to 4 days. If kept in the refrigerator, it will retain its moisture and quality for up to 7 days. Un-glazed pumpkin cake can also be frozen for up to 3 months.
What is pumpkin crumble?
Pumpkin crumble refers to either a baked pumpkin dessert topped with a crunchy streusel layer (made from butter, sugar, flour, and warm spices) or the crisp topping itself. Unlike standard cakes, pumpkin crumble dishes feature a textural contrast between the rich, custard-like pumpkin layer and the buttery, crunchy topping.
Does pumpkin crumb cake need to be refrigerated?
If your pumpkin crumb cake is un-glazed or topped with a simple sugar-and-water/maple glaze, it can safely stay at room temperature for up to 3 days. However, if the cake features a cream cheese frosting or dairy glaze, or if you live in a warm, humid environment, it should be refrigerated to prevent bacterial growth and preserve freshness.
What does pumpkin spice cake taste like?
Pumpkin spice cake has a warm, sweet, and aromatic flavor profile. While cooked pumpkin adds subtle earthy sweetness and exceptional moisture, the dominant flavors come from warm fall spices—cinnamon, nutmeg, ginger, and cloves—complemented by rich brown sugar, vanilla, and buttery caramel notes from the crumble topping.
Print
Ultimate Autumn Pumpkin Spice Crumble Cake
- Total Time: 1 hour
- Yield: 10–12 servings 1x
- Diet: Vegetarian
Description
This Ultimate Autumn Pumpkin Spice Crumble Cake is a cozy fall favorite with moist pumpkin spice cake, a buttery cinnamon pecan crumble, and a sweet maple glaze.
Ingredients
- 2 cups (240g) all-purpose flour
- 1.5 tsp baking powder
- 1/2 tsp baking soda
- 1/2 tsp fine sea salt
- 2 tsp pumpkin pie spice
- 1 cup (200g) granulated sugar
- 1/2 cup (100g) dark brown sugar, packed
- 1/2 cup (120ml) neutral vegetable oil or melted unsalted butter
- 1 can (15 oz / 425g) pure pumpkin puree
- 3 large eggs, room temperature
- 1 tsp pure vanilla extract
- 1 cup (120g) all-purpose flour
- 1/2 cup (100g) dark brown sugar, packed
- 1 tsp ground cinnamon
- 1/2 cup (115g) cold unsalted butter, cubed
- 1/2 cup (60g) pecans, finely chopped
- 1 cup (120g) powdered sugar, sifted
- 2 tbsp pure maple syrup
- 1–2 tbsp heavy cream or milk
Instructions
- In a medium bowl, combine the flour, dark brown sugar, ground cinnamon, and chopped pecans.
- Cut in the cold cubed butter using a pastry cutter or your fingertips until coarse, pea-sized crumbs form.
- Transfer the crumble to the refrigerator while preparing the batter.
- Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- In a bowl, whisk together the flour, baking powder, baking soda, salt, and pumpkin pie spice.
- In a large bowl, whisk the granulated sugar, brown sugar, oil, pumpkin puree, eggs, and vanilla extract until smooth.
- Fold the dry ingredients into the wet pumpkin mixture using a rubber spatula just until combined.
- Spread the batter evenly into the prepared baking dish.
- Scatter the chilled cinnamon pecan crumble generously across the entire surface of the batter.
- Bake at 350°F (175°C) for 38 to 42 minutes, until a toothpick inserted into the center comes out clean.
- Transfer the cake to a wire rack and cool completely.
- Whisk the powdered sugar, maple syrup, and heavy cream or milk together until smooth.
- Drizzle the maple glaze over the cooled cake before slicing and serving.
Notes
Keep the crumble chilled until ready to use so it stays buttery and crumbly during baking. Let the cake cool completely before adding the maple glaze for the cleanest finish.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 470
- Sugar: 42g
- Sodium: 310mg
- Fat: 22g
- Saturated Fat: 10g
- Unsaturated Fat: 10g
- Trans Fat: 0.5g
- Carbohydrates: 64g
- Fiber: 2g
- Protein: 6g
- Cholesterol: 80mg