Step 1 Dice the chicken breast and potatoes into small chunks. Cut the corn off the cobs. Whisk the egg lightly in a small bowl.
Step 2 Bring the stock to the boil in a pot. Add the chicken and potatoes and simmer for 5 minutes. Add the corn and cook for another 5-10 minutes, until the chicken is cooked.
Step 3 Pour in the egg, stirring, and cook for 2 minutes. Add the sesame oil, herbs and spring onions. Season with salt and pepper and serve.