Soak the orange peel strips in cold water for 24 hours.
Drain; place the peel in a saucepan and cover the strips with cold water. Bring the water to a boil. Cook the strips for about 10 minutes, or until they are soft. drain them.
Chop the orange peel fine and mix it with the granulated sugar in a saucepan. Stir the mixture slowly over low heat until the sugar dissolves, then continue to cook it for about 10 minutes, or until it reaches the soft-ball stage on a candy thermometer.
Remove the pan from the heat.
Add the vanilla extract and mix thoroughly. Cool the mixture.
Shape it into balls the size of small walnuts.
Roll the balls in the superfine sugar and then in the chopped nuts.