1 kg small onions
1 cup red hot pepper cut into small pieces
1 TBSP mustard seeds
1 TBSP coriander seeds
6 cups white vinegar
2 cups water
1 TBSP honey
4 celery sticks
Put onion in boiled water for few minutes, then peel without using a knife, put in cold water and drain.
Add mustard, coriander, celery to vinegar and boil to get an addition flavor, drain, set aside.
Put onion in sterile jar, add red pepper pieces, and cover with vinegar till 1 cm left from the top, seal properly.
Put jar in boiled water bath (put the jar in bigger pan with boiled water) for 10 minutes to get the air out of the jar.
Keep for a week till fully pickled or depends on the size of the onions.