Cut the tomatoes into quarters and the apples into eight. Put to simmer for about 20 min.
Strain.
Dice the onions and add to the tomato puree.
Add 200g sugar, salt, red pepper powder, pepper, cinnamon, and vinegar.
Put the crushed coriander seeds and the bay leaves into a tea bag and put in the pot.
Let simmer for 15 min stirring occasionally.
Mix sugar and gelling agent 3:1 together and mix well into the ketchup.
Simmer further 3 minutes.
Remove the spice bag.
Rinse the jars with boiling water and pour in the hot tomato ketchup.
Closing the jars immediately tight = vacuum.