Green Tomato Ketchup - Quebec Style Chow-Chow - cooking recipe

Ingredients

30 medium green tomatoes, chopped (about 6 pounds)
15 medium onions, chopped (about 3 pounds)
2/3 cup coarse salt
3 cups white vinegar
2 1/2 cups granulated sugar
6 tablespoons mixed pickling spices, tied in cheesecloth

Preparation

In a large bowl, alternate layers of tomatoes and onions, sprinkling each layer with salt.
Let stand for at least 8 hours, better overnight.
Rinse; drain well.
Combine vegetables with vinegar, sugar and spice bag.
In a large saucepan or stock pot, bring mixture to a boil, then simmer, uncovered, for about 30 to 45 minutes.
Stir frequently until slightly thickened.
Pour into hot, sterilized jars and seal.