Mix in the sugar. Set the oven to 170°c. Spread the apple and blueberry mixture evenly over the top of the pastry base. Spread the streusel all over the top of the fruit. Place in oven and bake ...

But, my favorite part? These blueberry muffins are are topped with handfuls of buttery, crispy, brown sugar streusel. These peach cobbler muffins are exactly what they sound like - peach cobbler ...