Walnut caramal pie

Ingredients for short crust pastry
Butter 6 ounces
Flour 8 ounces
Sugar 3 ounces
Egg 1
Chilled water to knead
Ingredients for filling
Sugar 4 ounce
Walnuts coarsely chopped 1 cup
Butter 1 tbsp
Egg 1 for brushing
Method for base
Beat butter and sugar add eggs, mix in flour, knead lightly, if required add chilled water, leave to rest for 30 minutes, roll out the dough according to the size of your pie plate, save little dough for topping.
Method for filling
Put sugar in a pan and melt on low flame, add walnuts and ¼ cup water, stir for a minute, remove, pour it over the pastry with the leftover dough, roll and cut into strips, arrange on top, brush top with beaten egg, bake on 180 degree C for 30 minutes until golden.