crunchy topping, much like a streusel. Here's exactly what sets an apple pie apart from an apple crisp — after all, there is a difference between cobblers, crumbles, and crisps, so let's see ...
Spread the apple and blueberry ... Spread the streusel all over the top of the fruit. Place in oven and bake for about 40 minutes or until golden and crisp on top. Cool for 10 minutes.