Hi! Looking for some recipe help!

Hi everyone, new to the thread and first time posting!

Was looking for some advice as I'm not currently vegan, but vegetarian looking to switch. A slight problem though is that I'm finding recipes difficult to make because of allergies, if I was to remove things I'd end up with a bland meal.

Things I'm allergic to: peanuts, cashews, walnuts, almonds, tomatoes, celery & soy based products. Also cats but that's not relevant here...

If anyone has any advice or recipes they could share to get me started, I'd really appreciate it! Also any brands you recommend based in the UK would be amazing <3