Anyone do this?
I use a low calorie spray when frying other foods but not thought about using it for curry.
Suppose it will lose some of the flavouring and the initial method of frying the spices will change a little but must be better for me.
If you're looking to recreate authentic Indian cuisine - traditional and/or BIR - then you can't avoid using oil or ghee, which forms an essential part of the cooking process that's responsible for extracting all those gorgeous flavours from the spices and other ingredients.
You can of course reduce the amount of oil or ghee that you use, but I've found that it's possible that by using the 'count 'em in, count 'em out' method, it's possible to spoon off around 70% after the curry has finished cooking. (So, if you count in 3 tablespoons of oil in, you should be able to count out just over 2 tablespoons at the end.)
So, that's under 1 tablespoon of oil in a dish that will feed two people (more when cooking traditional recipes).
A tablespoon of veg oil contains 120 calories, so 60 calories per person isn't too horrifying (to me, anyway) when you consider you're using lean cuts of chicken or meat that's served in what is essentially a spicy vegetable soup.
Compared with a Big Mac meal, damn healthy, in fact!