Blueberry Lemon Dump Cake is a quick and delightful dessert that combines the sweetness of fresh blueberries with the zesty brightness of lemon. This easy-to-make cake layers juicy berries, a buttery yellow cake mix, and a sprinkle of cinnamon sugar for a perfect golden-brown topping. Ideal for family gatherings or cozy nights in, serve it warm with vanilla ice cream or chilled on a hot day for a refreshing treat.