Place chillies, garlic, cumin and EVOO into the Thermomix bowl and chop 5 sec/speed 6. Scrape down sides of bowl and sauté 6 min/Varoma/speed 1.
Add tomatoes, salt and sugar to bowl. Cook 20 min/Varoma/spatter guard/speed 2.
Store in sterlised jars in the fridge until use.