A bunch of tomatoes! It all depends on how many jars you want to make.
Canning jars and lids
1/2 tsp canning salt per jar
Celery and onions to taste
Wash tomatoes, and cut core out of tomatoes.
Blanch until skin cracks and starts to peel.
Cool and peel completely.
Put into jars.
Add 1/2 tsp canning salt and as much sliced celery and onions are you would like.
Seal and place in cold packer, bring to a boil for 15 minutes.
Remove with canning tongs and cool.
Canning tongs? See the pic to the left and to see some more, click this link. Regular tongs won’t do. If you will try your hand at canning, get everything you need! Canning tongs are very inexpensive.