01 -
Heat the oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish with butter or baking spray.
02 -
Spread the sliced strawberries evenly in the baking dish. Spoon the strawberry jam over the top and gently spread it across the berries.
03 -
Sprinkle the dry yellow cake mix evenly over the fruit layer. Do not stir the layers together.
04 -
Pour the melted butter slowly over the cake mix, covering as much of the dry surface as possible.
05 -
Bake for 42-48 minutes, until the strawberry filling bubbles around the edges and the topping is golden brown.
06 -
Let the dump cake rest for 10-15 minutes. Serve warm with whipped cream, vanilla ice cream, and extra strawberries if desired.