Heat oven to 350℉ (180℃). Grease a 10" x 1½" pie plate.
Mix together streusel ingredients until crumbly. Set aside.
Mix together apples and spices, turn into plate.
Beat remaining ingredients except streusel until smooth; 15 sec in a blender or 1 min with a hand mixer. Pour into plate.
Sprinkle with streusel.
Bake until knife inserted in centre comes out clean, 55 - 65 min.