What is the fine-grained topic of the following text: Begin with the ingredients as you see here: one small eggplant, a couple of garlic cloves, half a tomato, ratio 1:3 raw apple cider vinegar and vegetable oil (cold pressed olive or grapeseed are best), sea salt and finally, fresh herbs like chives and rosemary if you have them. Only return the topic.
Preparing a recipe with eggplant and other ingredients