1. In a frying pan, add olive oil and green onion, fry for four minutes, then add strips of chicken breast. Fry for five minutes while stirring.
2. Add salt and paprika. Fry for another minute and remove from heat.
3. Squeeze tahini on the open sandwich, and place avocado, tomato and chicken breast. Drizzle some more tahini above, close the sandwich, and serve.