Place blade in food processor, add flour and salt. Pulse to combine.
Add shortening or lard, pulse until mixture resembles sand or small peas.
Add 1 Tablespoon of ice water and pulse. Continue adding ice water 1 T at a time until soft dough forms. You may need more than 4 T, dough should not be sticky.
Flour your hands and form dough into disc and place on well floured surface.
Roll dough to shape of 9x13 pan and slice into 1 inch strips, I use a pizza cutter.
Lay strips of dough across filling to form a lattice look. Spinkle with sugar.
Bake at 350° F for 1 hour or until bubbley and crust is a golden brown.
Cool on baking rack, serve warm.