Wash, clean and chop the tomatoes. Mix the pulp and jam sugar in a pot and leave to stand for about 1 hour
Bring everything to the boil and let it boil for about 4 minutes while stirring constantly. Wash the basil, shake dry, pluck leaves from the stems, chop coarsely and stir into the jam about 1 minute before the end of the cooking time. Pour the jam immediately into clean glasses and close them tightly. Place the jars on the lid for approx. 5 minutes, turn them over and let them cool down
Waiting time approx. 1 hour