3 potato hazelnut streusel Recipes

graham cracker piecrust, mashed cooked sweet potato (about 3/4 lb), granulated sugar, evaporated fat-free milk, vanilla extract, ground nutmeg, salt, ground mace, eggs, hazelnuts, all-purpose flour, dark brown sugar, ground cinnamon, chilled butter or stick margarine, cut into small pieces

hazelnuts, sour cream, fat-skimmed chicken broth, minced fresh marjoram leaves or 1 tbsp dried marjoram, russet potatoes, seasoned fine dried bread crumbs, grated parmesan cheese, butter or margarine, cut into chunks, salt and pepper