Combine flour, salt & powdered sugar in a medium mixing bowl. Cut in butter with a fork or pastry blender until butter is incorporated and mixture is crumbly.
Press firmly into greased 9x13 inch pan.
Bake at 350 degrees for 18-20 minutes. Remove from oven.
In a separate bowl, beat eggs well.
Add sugar/flour mixture and continue beating.
Add lemon juice and mix well.
Pour over crust; bake for an additional 20-25 minutes or until top is just beginning to turn golden brown.
Cool slightly and sprinkle with powdered sugar.
Before serving, top with cherry pie filling.