Shanghai Tofu

Place sesame oil in a pot on medium heat. Add onion, ginger and bell pepper, cook for 3 minutes, stirring occasionally. Add water and apricot preserves, cook for 10 minutes, stirring occasionally. Add arrowroot and water mixture, stir for 2 minutes. Add remaining ingredients except tofu, cook for 3 minutes and add tofu. Garnish with sesame seeds.