Blueberry Lattice Pie

For me, summer means blueberry pies (and tarts, cobblers, muffins, and pancakes). At the height of berry season, I tend to buy quarts and quarts, and when I get home, I wonder what to do with them all: pies are frequently the answer.

The technique for preparing this filling thickens it without sacrificing flavor or texture. Since most of the berries go into the filling raw, the filling is always juicy and just slightly thickened after baking.

I like to use a sweet dough for