1.Always dry roast in medium-low flame, so that the ingredients are not charred.
2.Saute continuously for even roasting.
3.Increase or decrease dry red chillies as per your spice level.
4.I do not add turmeric powder to my Rasam powder as I love to add it fresh to my tamarind extract, whenever I make rasam.
5.I do not add fenugreek seeds to my Rasam powder as I love to add Fenugreek seeds powder when tempering rasam as it imparts lovely flavor to rasam. When my fenugreek seeds powder get out of stock, I just add few fenugreek seeds while tempering rasam.
6.You shall wash and dry roast a handful of curry leaves and add to rasam powder. I add few curry leaves while tempering rasam and also few raw, torn curry leaves for garnishing along with coriander leaves, while turning off rasam.