Crust: – Vegetable shortening – Flour – Egg – Cold water – White vinegar
Filling: – Sugar – Brown sugar – Flour – Cinnamon – Salt – Nutmeg – Apples – Cider vinegar – Butter
Streusel: – Flour – Sugar – Brown sugar – Oats – Cinnamon – Nutmeg – Butter
Work shortening into flour with a pastry cutter until texture resembles meal. Beat egg and add to mixture.
Add cold water and vinegar and stir until just incorporated. Place in a zippered bag.
Flatten to about 1/2″ with a rolling pin. Freeze for at least 20 minutes. Combine dry streusel ingredients in a large bowl and whisk together.
Add cold butter and work with a pastry cutter until dry mixture is fully incorporated. Crumble so pieces are no larger than pea sized.