In a pan add cooking oil to medium to high heat.
1 tablespoon cooking oil
Add in chopped tomatoes, garlic, tamarind, dried Kashmiri chillies and use the wooden spatula to gently mash or press against the tomatoes to speed the process.
4 medium sized tomatoes, 2 cloves garlic, chopped (or ginger-garlic paste works also), 3 cms dried tamarind or 1 teaspoon paste (sub with lime), 3 dried Kashmiri chillies
Add to this coriander stalks - just pinch out a handful from the main bunch and toss into pan, no need to chop it.
1 handful coriander stalks
Add in all the spices and mix it all together. You may need to dilute the consistency with water which you want to continue to add slowly to ensure its not runny.
2 tablespoon besan (chickpea flour), 1.5 teaspoon coriander powder or roasted seeds, ¼ teaspoon garam masala (adjust to your spice level), 1 teaspoon Kashmiri chilli powder, ½ teaspoon spicy red chilli powder (adjust to your spice level), 2 tablespoon kasoori meethi, ½ teaspoon salt, 1 teaspoon sugar, ¼ cup water
Let it simmer on low heat for couple mins and turn off, cool and the blend it into a food processor or blender into a paste.
Store in a glass container and refrigerate for upto 3 days or freeze to last months.