Using a potato peeler, peel the oranges, making the peel as thin as possible to leave behind the white rind.Use the oranges for something else, we'll only use the peel.
2. Steep
Mix the vodka and the orange peels. Put in a clean bottle and leave in the refrigerator for 2 weeks.
3. Strain
Strain the vodka with a clean cloth, discard the peels, and set the vodka aside.
4. Make syrup
In a saucepan, mix 1 cup of water and the sugar and boil over low heat until only a third of the liquid is left.Cool to room temperature. Mix the syrup with the vodka and let it sit overnight for any solids to settle at the bottom.