Step 1: Cook ripe tomato pieces with cinnamon and clove pieces, until they are soft.
Step 2: Drain extra water.
Step 3: Drain this pulp and remove skin with help of steal spoon.
Step 4: Crush with hand blender; drain this pulp and remove the seeds and extra skin.
Step 5: Heat a heavy bottomed pan and add tomato pulp.
Step 6: Stirring it continuously until they are thicken.
Step 7: Add sugar and salt.
Step 8: Heat for 5-minutes with continue to stirring.
Step 9: Turn off the flame and add ready made preservative (or vinegar).
Step 10: Cool at room temperature.
Step 11: Take clean and dry glass bottle and fill with ketchup.