Bobby's Rasam - Receipe of the Year ;)

1) One katori hot water - boil the puli (small lemon size) in water and
switch off when it boils
2) Once it cooks, squeeze the puli
3) Add one more karandi of water to the puli and karachify well
4) Add 3/4th tsp salt to the puli water
5) Add turmeric powder - less than 1/4th tsp to the puli water (totally puli
water should be 1 tumbler)
6) Add rasam podi - 1tsp to the mixture
7) Add peringayam powder
8) Wash tomato - cut into 4 pieces  and add to puli water
9) Keep in gas and let it boil till the puli water contents become half or
3/4
10) 1 katori paruppu - wash in water - 2 or 3 times
11) Add 1/2 katoris water to it
12) Add less than 1/4 tsp manja podi
13) Add 1 drop of gingerly oil
14) Keep it in cooker and let it cook for 4-5 whistles. In the cooker, keep
2 tumblers of water and on top of it keep paruppu katori - keep in low flame
15) Lift the weight after 5-10 mins
16) Take out the tomato only out of the puli water and smash it well
(karachify) and take out the tholi
17) Add 1 1/2 karandi paruppu to the tomatoes and smash well and add water
(1 tumbler) and add to puli water and add cut tomatoes (if u want at this
stage)
18) Boil this mixture for 1 boil
19) Off it after 2-3 mins
20) In a kadai, add 2 tsp of ghee, add kadugu, inlcude karuvaipullai when
kadugu is hot an add to rasam.
21) Lastly add kothamali to the rasam.

-- From my Best Friend's receipe notes :P