Preheat oven to 180℃.
Add flour, butter, sugars and cinnamon from streusel topping ingredients. Mix for 15 sec/speed 6/MC on.
Add oats and vanilla. Mix for 3 sec/speed 3/reverse/MC on. Set aside in a bowl in the fridge.
Without washing bowl, add prepped apples to mixer bowl. Chop for 3 sec/speed 5/MC on or until finely chopped. Scrape bowl down.
Add butter, sugars, cinnamon, nutmeg, vanilla, lemon zest and water. Cook for 5 min/120℃/slowest speed/MC on.
Add blueberries and chambord. Cook for 5 min/120℃/reverse/slowest speed/MC on.
Add flour paste to bowl. Combine for 5 sec/reverse/speed 2/MC on or until mixed through.
Pour mixture into pie dish. Add 3/4 of the crumb mixture on top. With the remaining crumb mixture press it firmly in your hand to form large clumps. Spread evenly over the top. Bake in oven for 20-30 min or until golden brown. Serve hot or cold.