The new Bonne Maman Pie Fillings are debuting in three classic flavors: Apple, Blueberry ... Answered Like any canned fruit filling, these are easy to use — simply pour into the desired crust ...
It also includes concentrated lemon juice for a bit of tang. The blueberry pie filling is made of nothing but wild blueberries, a bit of sugar, water, pectin, and lemon juice for brightness.