Place two peach halves, cut side up, on each of three double thickness of heavy-duty foil(12 in. square). sprinkle each with blueberries, brown sugar, butter an lemon juice. fold foil around peaches an seal tightly.
grill, covered, over med-low heat for 18 to 20 min or until tender. open foil carefully to allow steam to escape. serve ummmmmmm