1.
Pare very thinly the brightly-coloured rind from the oranges (no white).
2.
Blot the peel on paper towels to remove any excess oil.
3.
Put peel in a 4 cup screw-top jar.
4.
Add 2 cups vodka.
5.
Close jar.
6.
Store in a cool, dark place for 2 days or until the vodka has absorbed the flavour.
7.
Remove peel and add remaining vodka.
8.
Close jar and add remaining cup of vodka.
9.
Close the jar and store in a cool dark place at least 1 month to age.