Simmer the prunes in the tea or in water for 10 minutes. Let stand for 2 to 3 hours. Meanwhile, in a nonreactive saucepan, slowly cook the sugar and vinegar, stirring until dissolved. Add the cinnamon and cloves: simmer 10 minutes. Remove from heat and let stand until cold.
Drain the prunes. Roll in paper towels to dry. Prick each 2 or 3 times with a pin. Place in