Green Tomato Pickles - cooking recipe

Ingredients

1 qt. tomatoes, if large, slice, core and peel
7 large onions
7 c. cider vinegar
2 Tbsp. dry mustard
2 Tbsp. (heaping) cornstarch
7 c. sugar
2 Tbsp. turmeric

Preparation

Slice onions and tomatoes.
Put in a large pan.
Put 2/3 cup table salt on top and set for 3 hours; drain.
Combine sugar and vinegar and bring to a boil; drop mixture into it.
Add mustard and turmeric.
Cook until tender.
Add cornstarch which has been mixed with 1/2 cup of cold water.
Stir into mixture.
Cook until thick. Be sure to stir as it will stick after adding cornstarch.
Put in sterile jars.