Crush grapes slightly to break skins and mix with raspberries.
Sift flour and measure; sift again with sugar and mix with fruit.
Pour into a deep 9-inch pie tin lined with unbaked pastry and sprinkle with butter and lemon juice.
Cover with lattice strips, and bake in a hot oven, 425, for 45 minutes. 6 servings.
Recipe originally published in 60 Praise Winning Pastries by Martha Meade