Peel the eggplants and bell peppers and leave to drain for 20 minutes in a sieve.
Peel and finely cut the onion half.
Using a blender, mix together the eggplants, the bell peppers, the onion and feta cheese until a smooth composition is obtained.
Season with salt/ chili salt and pepper to taste.
Serve with toast or fresh bread, as you like :)