Yep I have onion salad with all my curry, its esential for me

1 large chopped onion
1 tsp mint sauce
.5 tsp salt (or to taste)

Squirt or two of Lemon Juice
Mix together, cover and leave in the fridge for an hour before you need it.
Some restaurnts add red onion, tomato, cucumber and corriander so make it how you like it!