Ingredients
Equipment
Method
Prep and bake the crust
- Preheat the oven to 350F and grease a 9x13 pan. Keep the pan ready for a warm press-in crust.
- Combine the reserved cake mix (remaining) with melted unsalted butter and the egg, then press the mixture into the pan. Press firmly for an even, compact base.
- Bake the crust for 10 minutes. Look for the edges to set slightly while the center stays lightly pale.
Make the filling and add crumble topping
- Whisk pumpkin puree, eggs, granulated sugar, evaporated milk, pumpkin pie spice, cinnamon, ginger, and salt until smooth. Stir until no spice clumps remain.
- Pour the filling over the warm crust. Pour gently so the crust holds its shape.
- Combine the reserved 1 cup cake mix, sugar, cold unsalted butter, and cinnamon until crumbly, then scatter the crumbs over the filling. Cover evenly for a uniform golden top.
Bake, cool, and serve
- Bake for 40-45 minutes at 350F until the topping is golden and the filling is set. The center should no longer jiggle when the pan is tapped.
- Cool completely before cutting into squares. This helps the custard set cleanly for neat pieces.
- Serve squares with whipped cream and a light sprinkle of cinnamon. Add right before serving for the best contrast of creamy and spiced.
Notes
Pro tip: use cold butter in the crumble so it stays crumbly instead of melting into the custard. Store covered in the refrigerator up to 4 days; freeze baked squares up to 2 months for best texture. For a dairy-light swap, replace evaporated milk with a plain unsweetened lactose-free evaporated-style milk or evaporated coconut milk (same volume) to keep the custard smooth.
