Old-Fashioned Tomato Sauce For Canning - cooking recipe

Ingredients

1/4 cup olive oil
3 medium onions, coarsely chopped
2 cloves garlic, crushed
2 tsp chopped fresh thyme
2 1/4 lbs tomatoes, coarsely chopped
1/4 cup tomato paste
2 tbsp tamarind paste
1 2/3 cups tomato ketchup

Preparation

Heat oil in large saucepan on medium heat. Cook onion, garlic and thyme, stirring, until onion softens and begins to caramelize.
Stir in remaining ingredients; bring to a boil. Reduce heat to low; simmer, uncovered, for 15 mins. Season to taste. Let stand for 10 mins.
Blend or process tomato sauce, in batches, until smooth. Cool.
Pour sauce into sterilized jars; seal immediately. Process in a water bath according to USDA directions. Store in a cool place for up to a year.