Ingredients
- (15.25 ounce) packageyellow cake mix, divided
- 1/2 cup unsalted butter, melted
- large egg, beaten
- (15 ounce) can pumpkin purée
- 1/2 cup white sugar
- large eggs, beaten
- 1/4 cup packed brown sugar
- 1/2 teaspoon sground cinnamon
- 1/2 cup white sugar
- tablespoon sunsalted butter, softened
- 1/2 cup chopped walnuts (Optional)
Instructions
- Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking pan.
- Reserve 1 cup of the cake mix in a medium bowl. Combine remaining cake mix, butter, and egg in a large bowl until well combined; press into the bottom of the prepared pan.
- Mix pumpkin, white sugar, eggs, brown sugar, and cinnamon together in the large bowl until well combined. Pour over crust.
- Stir sugar and butter into reserved cake mix until crumbly; sprinkle over pumpkin layer. Scatter walnuts over top.
- Bake in the preheated oven until a toothpick inserted in the center comes out clean, 40 to 45 minutes. Cool completely in the pan on a wire rack before slicing.