Dutch apple crumb bars

-----CRUST-----
   1 1/2  c             flour
     1/3  c             Sugar
     1/4  tsp           Salt
     1/2  c             Cold unsalted butter
   1                    Egg yolk
   2 1/2  tbsp          Cold water
                        -----FILLING AND TOPPING-----
   3      c             Peeled cored and chopped
                        Apples
     1/2  c             Chopped -- pitted dates
     1/4  c             flour
     1/3  c             Rolled oats
     1/3  c             Packed light brown sugar
     1/2  tsp           Cinnamon
                        Pinch of salt
     1/4  c             Cold unsalted butter
                        Cut into 4 pieces

Preheat oven to 350 and grease a 9x9 inch pan.	Combine flour, sugar, and
salt in a food processor.  Add butter in pieces and process to make a fine
meal.  Blend yolk and water.  Pour over dry ingredients and process until
damp crumbs form.  Pat crumbs into bottom and halfway up sides of pan. Bake
for 25 minutes.  Mix apples, dates, sugar, and lemon juice.  Spread evenly
over crust.  Combine flour, oats, brown sugar, cinnamon and salt. Add
butter and rub it to make damp crumbs.	Cover apples with topping and pat
gently.  Bake 40 minutes until golden brown.  Cool completely before
slicing.
From Farmer's Almanac Cookie Lovers Calendar 1997