How to Make and Can Onion Jam

You can do this Onion Jam is wonderful. You will love it.
Onion Jam:
10 lbs. chopped onions
4 cups vinegar
4 cups brown sugar
1 tsp canning salt
½ stick butter

Other additions you may want to try:
Maple syrup
Cardamom
Anise
Garlic
Pepper
Be encouraged. Don’t be afraid to try.