Prepare Vegetables: Cut eggplants and tomatoes in half. Remove green stems from tomatoes. Sprinkle salt on eggplants and tomatoes and let eggplants sweat with a little water.
Slice Aromatics: Slice garlic cloves, onion, and hot pepper into slices.
Cook Aromatics: Heat 4 tablespoons olive oil in a frying pan over medium heat. Add sliced garlic, onion, and hot pepper. Stir and wilt for about 3 minutes.
Add Eggplant and Tomatoes: Add salted eggplants and tomatoes to the pan. Cover and cook for 2 minutes without stirring. Add half a tea cup of room temperature water and cover again.
Cook Until Soft: After water evaporates, turn eggplants and tomatoes over. Cover and cook for another 3 minutes until soft.
Peel and Chop: Remove eggplant and tomato skins easily. Cut tomatoes to remove hard parts.
Mash and Season: Reduce heat to low. Mash eggplants and tomatoes well. Add sweet paprika, dried coriander, chopped green onion, and salt to taste. Stir to blend flavors.
Add Garlic, Lemon, and Tahini: Add crushed garlic mixed with lemon juice and 4 tablespoons tahini. Stir for 1.5 minutes until well combined.
Add Parsley and Finish: Add chopped parsley, stir briefly, then turn off heat to keep parsley fresh. Do not cook parsley.
Serve: Transfer to serving dish, decorate as desired, and drizzle with olive oil. Serve hot or cold.