Well I got finally got around to making a base in this soup maker, I followed Chewys advice and approached it as follows...
100ml Oil
2 Tbs of G&G
1 tsp Salt
1 tsp Haldi
Quarter slice of green capsicum (chopped)
Same amount white Cabbage
Half a Carrot (chopped)
1 green chilli
3 medium Onions (grated)
100ml Water
Once it has sweated down nicely and looks cooked
add 1 tsp Tomato Puree
add 1 Tbs Mixed powder
and top up with boiling water
Set it away cooking again for 10mins
There was a few adjustments in times and settings as followsI initially thought the machine could only be set to 15 Min's at a time but thankfully I was wrong and it can be set to 30 Min's max.
Of the three heat settings 'high, low and simmer' I found that the middle one 'low' was the only one that achieved a simmer and it cuts in and out to regulate this.
After the first 30 Min's the onions were reduced down to the 1Ltr mark, I gave it another 30 Min's before I blended it but the occasional stir function which has to be pressed manually seemed to of made a good job of breaking it all down in the mean time.
The machine has a mark stating that no hot liquids should be used above the 1400ml mark but as it was on a tame simmer I chanced filling it to the optimum fill mark of 1750ml when I added the spices and gave it another 30 Min's... An hour and a half in total!
When cooled I then topped it up the last 20ml left in the blender and used the stir function to mix, It yielded just under 2Litre's.
The base was just as good in taste as any that I have made yet and definitely better than quite a few I have made primarily because it was a lot easier to gauge what i was doing at this volume of contents.
I still do not have the eye for or skill to judge exactly how much to add to get the right consistencies at the higher volumes I have been recently making, the results have been coming out OK but it has been a bit of hit and miss.
This way I was more than happy with the consistency and taste... All in all it was an all round winner and I will be doing this again.
My only means of videoing this was with an ipod and the only thing really worth seeing was the finale texture of the base which is only a 30 second clip so when I manage to edit it I may post it here but in the mean time here is a photo of the resulting madras I knocked up with some pre fried onions and peppers a chopped chilli and no coriander. Again taken with my ipod and lifted from a 'vid still' and 'screen capture' on pc so not an ideal image.
Thanks for your help Chewy.

