Stir in the lemon juice and optional zest and pile into the pie shell, making the pile a little higher in the center than at the sides. Dot with butter. Decorate the edges of the crust with a fork ...
Fill the pie shell with the berry mixture. Pour the lemon juice over the top. Dot evenly with the butter. Roll out the second half of the dough to about 10 inches in diameter. Cover the filling ...