Add all the ingredients in a pot/casserole on high heat and bring to a boil. Simmer for 20’ uncovered.
Add the above into a blender and blend well.
Pass them through a medium sieve and your sauce is ready.
Place a large pot/casserole on high heat and add all of the above ingredients. Mix well and bring to a boil.
Reduce the heat to low and simmer for 25’. Remove from the heat and allow to cool a bit for 20’.
Place the above mixture into a high-speed blender and blend well.
Pass the blended mixture through a medium sieve and your sauce is ready.
Add into sterilized air-tight containers of about 100ml each, keep one in the refrigerator and freeze the rest.