To make the chocolate, chilli, sesame sauce; Place the dried chillies in a heatproof bowl. Pour over boiling water. Set aside for 30 minutes to soak. Place the chillies and water in a food processor or blender with the tomatoes and sesame seeds. Process until smooth.
Heat the oil in a medium saucepan over medium heat. Add the onion, garlic and fresh chilli. Cook, stirring, for 5 minutes or until onion softens. Add the spices and oregano, cook, stirring for 1 minute or until aromatic. Stir in the chilli sesame mixture, reduce heat to low, cook, stirring occasionally, for 10 minutes or until sauce thickens slightly. Remove from the heat, add the chocolate, and stir until chocolate melts. Season with salt.
Steam, blanch or microwave the Broccolini® until bright green and tender. Arrange on serving plate, spoon over the sauce. Serve with pan fried tortillas.