Blackberry Lemon Dump Cake (Easy Dessert Recipe!)

A plate with a serving of Blackberry Lemon Dump Cake topped with a scoop of vanilla ice cream, set on a marble-patterned dish atop a light blue and white cloth. The crumble has a golden oatmeal crust and dark berry filling.

A plate with a serving of Blackberry Lemon Dump Cake topped with a scoop of vanilla ice cream, set on a marble-patterned dish atop a light blue and white cloth. The crumble has a golden oatmeal crust and dark berry filling.