Me and my friend had some foods and sweets two day...

Me and my friend had some foods and sweets two days earlier this Thursday including Masala Dosa and the sambar they served with that was tasting off. And I told the guy at the counter that it doesn t taste alright and have a taste yourself in case if you think we are wrong. Instead he went to the kitchen and asked the chef and came with an answer it was because of the Tamarind they use in it. But me and my friend had been experiencing stomachache from the following morning till today.
I don t know what to say but when the food tastes off we don t just say because to give silly reason. This should be taken into consideration very carefully. People s health is important. So I had very bad experience in my first visit of the shop.