Apple-Berry Streusel Bars are a delightful dessert that combines the flavors of apples, berries, and a buttery streusel topping. These bars are perfect for a sweet treat or as a dessert for a special occasion. The buttery crust is topped with a layer of apple and berry filling, and then finished with a crumbly streusel topping. The combination of the sweet apples, tart berries, and crunchy streusel creates a delicious and satisfying dessert.