...that is dairy-free, egg-free, gluten-free and vinegar-free? Ranch often has gluten based ingredients + dairy is a problem. Caesar has eggs. And everything else is vinegar.
It's been a challenge, but it can be done. I tried just infused olive oil last night. It was a little flat. It needed some acid (I knew this from watching too much Food Network).
Today I've got lemon juice and olive oil. Better, but I need to branch out with the juices - cranberry juice maybe or orange.... This could get interesting.