Ocd induced Arfid

I have a huge fear of my food being contaminated with drugs. It sucks, when i push myself to eat something my brain deemed 'could very well be laced' i have panic attacks. Its difficult, i cannot eat food at birthday parties, holidays, or literally anything not FULLY sealed and i have to watch it be opened with my own eyes to trust it. I also cannot try new foods because for some reason in my mind its "more likely" to be contaminated since ive never had it before? idk..

I lack many nutrients, and i always feel very drained from my safe foods just being mac & cheese, chicken occasionally and a few sweet treats. I really want to eat better, i know its part of why my health is so bad but its so scary. The feeling of eating a so called contaminated food and entering panic mode is horrific, my brain mimics the feelings of being high which solidifies the fear. The times i try new foods, once in a blue moon- i have to sit there and tell myself "If its drugged, ill know and be okay eventually" i cant say "its not drugged" cause then my brain convinces me i just jinxed it and now it IS drugged. I also when im having a super bad period of it, have to take one bite and wait roughly 30mins to make sure that if its drugged i wont get HEAVILY high, just a little. but if i feel okay after 30mins ill eat the rest.

How can i work on this? i want to eat good and feel good, i cant even go out to eat with friends or family.