2.
Butterfly the chicken by cutting it longways and opening it up to get one thin piece.
3.
Spread the pesto and cheese and then close the chicken back up like a sandwich.
4.
Season with salt and pepper.
5.
Using an oven safe pan, heat the olive oil over medium high and then add the chicken breasts. Cook for about 5 mins.
6.
Add in all the other ingredients and allow to cook for another couple of minutes.
7.
Throw it in the oven for about 12 minutes until chicken is cooked through.