Okinawan Sweet Potato Haupia Pie - Ono Hawaiian Recipes

Ingredients

• 2 cups flour
• 1/2 cup sugar
• 1 cup chopped butter (chilled)
• 3/4 cup nuts (optional)
• 1/2 cup softened butter
• 1 cup sugar
• 2 eggs
• 2 cups mashed Okinawan sweet potatoes
• 1/2 cup evaporated milk
• 1 tsp vanilla extract
• 1/4 tsp salt
• 1 (14 oz) can coconut milk
• 1 cup milk
• 1 cup water
• 1/2 cup cornstarch
• whipped cream (optional) (topping)