Purple Sweet Potato and Haupia Pie

INGREDIENTS

1/2 tsp

Ginger, ground

Okinawan purple sweet potatoes (about 2 pounds), large

Eggs, large

2 cups

Coconut milk, canned

1 12 ounce can

Evaporated milk

3/4 cup

Brown sugar, light

1 tsp

Cinnamon, ground

1/3 cup

Cornstarch

1/2 cup

Granulated sugar

1 tsp

Kosher or fine sea salt

1/4 tsp

Nutmeg, ground

2 tsp

Vanilla extract

2 cups

Graham cracker crumbs, plain

1 cup

Butter, unsalted

1 tbsp

Rum, light

1 cup

Water

lightly toasted shredded unsweetened coconut and/or toasted, crushed macadamia nuts to garnish