Step 1

Set wire racks over baking trays

Step 2

Cut tomatoes in half and place on racks cut side down and leave to drain for 30 mins

Step 3

Heat oven to lowest temperature (80C)

Step 4

Turn tomatoes over and sprinkle with salt, sugar and thyme

Step 5

Cook in oven with door held open with wooden spoon for 6 hours until dried

Step 6

Pack into sterilised jars and pour over olive oil and add a sprig of thyme and a bay leaf