Green Grape-Apple Pie

1 9" pie shell w/top crust Unbaked
2 c seedless grapes
3 c apples, sliced
1 c sugar
3 T quick cooking tapioca
3/4 t cardamon, Ground
1/4 t cinnamon
1 t salt
2 T butter

Preheat oven to 425 degrees.

Combine grapes, apples, sugar, tapioca, spices, and salt. Turn into unbaked pie shell. Dot with butter. Cover w/top crust, flute edges & vent top. Bake for 50-60 minutes.