Mix ingredients in a pot

Bring to boil then let simmer to soften and thicken, stirring occasionally

Set aside to cool

Mix and knead all ingredients, divide into 2 and chill for an hour

Roll a dough and place it on pie plate

Pour enough filling

Roll the other dough and lay it on filling, to cover, pressing edges tightly and make some slits for steam

Bake at 425 F for 25 minutes, reduce heat to 350 F and bake for another 15-20 minutes