Method
1. Add canned tomatoes and water to a clean medium bowl
2. Add olive oil, onion, fennel bulb, celery stalk, ginger, garlic, fennel seeds, coriander seeds, ground cumin, chili flakes and cloves to a clean large saucepan
3. Season with salt & pepper
4. Sauté - 15 min, low heat
5. Transfer tomatoes to sauce
6. Simmer until thick - approx 20 min
7. Add brown sugar and white vinegar to the sauce
8. Blend with stick blender until smooth
9. Simmer until thick while stirring occasionally - approx 15 min
10. Transfer sauce to 2 jars