Cut chicken breast into cubes.

Cut green zucchini into small squares.

Heat olive oil in a frying pan over medium heat.

Add the cubed chicken breast and diced green zucchini to the pan.

Cover the pan with a lid and cook for 5 minutes.

Remove the lid and add 4 tablespoons of soy sauce to the mixture.

Mix well and continue cooking and stirring for another 10-15 minutes.

While the chicken and zucchini mixture is cooking, prepare the spring onions and green chili bell peppers.

Cut the flatbread in half.

Spread sour cream on both sides of the flatbread.

Place spring onions on one side of the flatbread and green chili bell peppers on the other.

Remove any doughy middle parts from the flatbread (if any)

Once the chicken and zucchini mixture is done, add it to the flatbread.

Cut the assembled sandwich in half and serve.