Remixipe

Quarter the Tomato's,
Finely chop the Onion and Garlic,
In a medium sized pot heat some oil and fry the Onion and Garlic until Onion is clear,
Add the quartered tomato in batches, and use a potato masher to squish, after every batch let the mix come to a boil,
Add bay leaves, rosemary and fish sauce,
Let simmer for 4hours stir regularly,
Once cooked and mixture is looking broken down and saucy, using a fine sieve and silicon spatula push mixture through into another pot,
Add sugar, and stir well, boil down to desired consistency.

Classic Tomato Sauce