Quick Description
This Pumpkin Oatmeal Dump Cake is warm, spiced, and incredibly easy to make. It has a creamy pumpkin custard base layered with a buttery oatmeal crumble topping. Finished with toasted pecans and a sweet vanilla glaze, it’s the perfect fall dessert — soft in the center with a golden crisp top.
No complicated steps. Just layer, bake, and enjoy.
Servings & Timing
- Servings: 9–12 squares
- Prep Time: 15 minutes
- Bake Time: 45–50 minutes
- Total Time: About 1 hour
Ingredients List
Pumpkin Base
- 1 can (15 oz) pumpkin puree
- 1 can (12 oz) evaporated milk
- 3 large eggs
- 1 cup granulated sugar
- ½ cup brown sugar
- 1 tablespoon pumpkin pie spice
- ½ teaspoon salt
- 1 teaspoon vanilla extract
Oat Crumble Topping
- 1 box yellow cake mix
- 1 cup old-fashioned oats
- 1 cup chopped pecans
- ¾ cup melted butter
Glaze (Optional)
- 1 cup powdered sugar
- 2–3 tablespoons milk or heavy cream
- ½ teaspoon vanilla
Step-by-Step Instructions
1. Preheat Oven
Preheat oven to 350°F (175°C).
Grease a 9×13-inch baking dish.
2. Prepare Pumpkin Layer
In a large bowl, whisk together:
- Pumpkin puree
- Evaporated milk
- Eggs
- Sugars
- Pumpkin pie spice
- Salt
- Vanilla
Pour mixture into prepared baking dish.
3. Add Cake Mix
Evenly sprinkle dry yellow cake mix over the pumpkin layer. Do not stir.
4. Add Oats & Pecans
Sprinkle oats and chopped pecans evenly over the cake mix.
5. Add Butter
Drizzle melted butter evenly over the top, covering as much surface as possible.
6. Bake
Bake for 45–50 minutes, or until top is golden brown and center is set.
7. Cool
Let cool for at least 20 minutes before slicing.
8. Prepare Glaze (Optional)
Whisk powdered sugar, milk, and vanilla until smooth.
Drizzle over slightly warm cake.
Nutrition (Approx. Per Serving)
- Calories: 420–480
- Protein: 6–8 g
- Carbs: 55 g
- Fat: 22 g
Benefits
- Easy “dump and bake” method
- Rich fall flavor
- Soft bottom + crunchy top
- Perfect for holidays
Additional Notes
- Do not mix layers — that’s what creates the texture.
- For extra crunch, toast pecans first.
- Let cake rest before cutting for cleaner slices.
Dietary Info
- Vegetarian
- Contains dairy and eggs
Flavor Variations
- Add white chocolate chips
- Add caramel drizzle
- Use spice cake mix instead
- Add cream cheese swirl
Storage
- Refrigerate up to 4 days
- Reheat individual slices before serving
FAQs
Why is my cake soft in the center?
It has a custard-style base — that’s normal.
Can I use fresh pumpkin?
Yes, but drain excess moisture.
Can I freeze it?
Yes, freeze without glaze for best texture.
