Halve eggplant(s) and bake for 20 minutes, or until tender. Using a potato masher or pastry blender, crush eggplant.
Heat clarified butter in a medium skillet over medium heat; saute onions until translucent. Stir in tomatoes and eggplant; cook, stirring, until liquid is evaporated. Remove from heat and sprinkle with coriander.