Mixed Berry Slab Pie (Recipe updated 2017)

INGREDIENTS

8 cups

Berries, mixed

Egg

2 tbsp

Honey

1/2 cup

Maple syrup

5 cups

All purpose flour

2 tbsp

Coconut sugar

5 tbsp

Cornstarch or arrowroot

1 2/3 cups

Palm shortening

4 tsp

Salt

1 pinch

Salt

2 1/2 cups

Tapioca flour

1 tbsp

Turbinado sugar

1 1/2 tbsp

Distilled white or apple cider vinegar

1/2 cup

Orange juice

1/3 cup

Water

1/3 cup

Water ice cold water

2½ cups all purpose 1 to 1 gluten-free flour (I used Bobs Red Mill Gluten-Free 1-to-1 Baking Flour)