Getting a different flavor from what the packaging says

Im very ****ed right now, I bought Lays Simba chips with a flavor saying Potato chips Caribbean Onion and balsamic vinegar flavour from Cycad pick n pay polokwane but when I opened the and started eating it potato chips, i could only taste salt and the reason I bought them its because I was craving the balsamic vinegar..this is really upsetting. I want my refund.