Blackberry Lemon Dump Cake (Easy Dessert Recipe!)

A close-up of a spoon holding a serving of Blackberry Lemon Dump Cake with a golden, crumbly topping and a juicy berry filling, with a plate and blue striped napkin in the background.

A close-up of a spoon holding a serving of Blackberry Lemon Dump Cake with a golden, crumbly topping and a juicy berry filling, with a plate and blue striped napkin in the background.