the best we've ever had.
Preheat oven to 425.
Place apples in large bowl.
Combine 2 Tbs flour, sugar, 1/2 tsp cinnamon, nutmeg & allspice; coat apples.
Put apple mix in pie shell & dot with 2 Tbs butter. Lay aluminum foil on top of filling, but do not seal.
Bake 10 mins.
Combine 3/4 flour, 1/2 tsp cinnamon, brown sugar & oats; mix until crumbly.
Reduce heat to 375.
Spread streusel mix over topping & bake an additional 30 – 35 mins, loosely covered with aluminum foil.