Heat oil in a pan and fry the chopped onion for a few minutes, then add the fish to the onion, tomato puree, salt , and cook the fish for 5 minutes.
Remove the fish from the pot and set aside.
Add 2 cups of water into the pot with the eggplants, fresh tomatoes, onions, and tomato paste. Cover and simmer until vegetables are tender about 15 minutes.
Remove all the vegetables and place in a food processor or use a mortar. Reduce the vegetables with a stock cube and dry shrimp puree.
Pour the mixture into the pot and add the fish reserved. Add a little more water if the sauce is too thick.
Season with a little pepper and salt to taste. Then simmer for 15 minutes over low heat.
Serve with rice, couscous.
Recipe by Miracle Inspires at https://www.miracleinspires.com/eggplant-stew/