I don't know if this is the one you're looking for but I got it off the BB a while ago and it is delicious!
Pot Luck Apple Pie
2-1/4 cups flour, divided
1/4 cup water
pinch salt
1 cup shortening
Filling:
1/2 cup maple syrup, divided
3 pounds tart apples (8-9 medium)peeled and thinly sliced
1-1/4 cups sugar
1/4 cup lemon juice
2 tsps cinnamon
1 tsp vanilla extract
Topping:
1 cup flour
1/2 cup packed brown sugar
1/2 cup cold butter or margarine
1 cup chopped pecans
In a small bowl, combine 1/4 cup flour and water until smooth; set aside. In a large bowl, combine salt and remaing flour; cut in shortening until mixture resembles coarse crumbs. Add reserved flour mixture; knead gently until dough forms a ball. Press dough onto the bottom and up the sides of an ungreased 15x10x1 baking pan. Spread 1/4 cup syrup over the crust. Arrange apples over syrup. Combine sugar, lemon juice, cinnamon, vanilla and remaining syrup; drizzle over apples. For topping, combine flour and sugar in a bowl; cut in butter until mixture resembles coarse crumbs. Stir in pecans. Sprinkle over filling. Bake at 350 degrees for 1 hour or until apples are tender.