Oven 450 degrees. For crust, use food processor to blend first 5 ingredients. Mix olive oil and ice water and add through shute with 3 or 4 pulses until crumbly. Sprinkle dough into quiche or 9 inch pie plate sprayed with cooking spray. Press to form crust on bottom and slightly up sides of pan. Bake 10 minutes at 450 degrees. Remove from oven.
For filling, whisk together all except basil and cheese. Add 1/4 cup basil and cheese and mix gently. Pour over crust. Slice tomatoes thinly (you can deseed if you wish) and place over top in attractive pattern. Sprinkle 2 T. more cheese over top and bake 25 minutes at 450 degrees til filling is set.. Can sprinkle more chopped basil on top.