Pickled Red Peppers

from Plenty byYotam Ottolenghi

1 red pepper--cleaned and cut into 1/4 strips
6 T sugar
6 1/2 T cider vinegar
1 cup water
10 pink peppercorns
1/2 tsp. coriander seeds
3 cardamom pods, crushed
salt

Combine all in a small saucepan. Bring to a boil, turn down to simmer for 20 minutes.