1 ea 9" pie crust 4 md Sweet potatoes 2/3 c Water or soy milk 1 1/2 tb White miso 1 tb Cornstarch 1 pn Cardamom 1 pn Cinnamon 1 pn Nutmeg 1 pn Ginger 1/4 c Walnut halves Prepare pie crust & set aside. Pre heat oven to 375F. Wash & scrub potatoes. Place in a baking pan, brush skins with some olive oil & bake for 1 1/2 hours till very soft. Cool & then peel. Mash & add the rest of the ingredients. Blend till the mixture has a creamy consistency. Reduce oven to 350F. Spoon mixture into pie crust. Garnish with walnuts. Bake for 1 hour. Chill or cool to room temperature before serving. Variation. Add 1 to 2 cups cooked chick peas to the sweet potato before cooking the pie. Ensure they rae well mashed.