This incredibly easy pumpkin dump cake requires just three base ingredients and five minutes of prep. With a crunchy, buttery topping and a silky pumpkin custard layer, it’s the perfect no-fuss fall dessert that disappears at every gathering.
Use cold butter for the best crunchy topping. Do not overmix the topping—leave some pea-sized butter chunks. Let the cake rest for at least 20 minutes before serving to allow the pumpkin layer to set. The flavors deepen after a day in the refrigerator. For gluten-free, use a gluten-free yellow cake mix. For dairy-free, use dairy-free butter and full-fat coconut milk instead of evaporated milk.
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