If I had a photo, I would most certainly use it. That is... unless the photo I have sucks. For now, you'll just have to picture a big heaping helping of
Combine peaches, blueberries, sugar, 1/2 the flour and lemon zest - mix carefully so you don’t mash up the fruit
Fold a piece of aluminum in half but still large enough to fit under pie crust and dust with remaining flour - lay pie crust on top
Place fruit mixture in middle of crust and fold sides around it making sort of a series of pleats - it will not cover the fruit, but will come a couple of inches up the sides, sort of tart-like
Brush sides of dough with beaten egg
Lift and place foil with pie on grill preheated to medium - not directly overtop of heat if possible
Close lid and cook until dough is beautifully browned and fruit has softened, about 20-25 minutes