Make the marinade, squeeze the lemon(s) . mix together olive oil, juice of the lemon, oregano, salt & pepper in the rectangular pie dish
place the chicken breast on some cling film fold the cling film over the chicken and then using a rolling pin, bash the chicken till it is about 2 cms thick all over, place the chicken in the marinade, refrigerate for at least two hours preferably overnight
Take the chicken out of the fridge, heat the olive oil in the frying pan, peel and chop the onion(s) finely, add to the frying pan, cook till soft
wash and finely chop the chilli, add to the frying pan, peel and crush the garlic using the garlic crusher or chop finely, add to the frying pan
warm the precooked rice by following the instructions, add to the frying pan, add the oregano
zest the lemon(s), squeeze the lemon(s) . add the lemon zest and juice to the frying pan, taste and season with salt and pepper if necessary, remove from the heat
wash and dice the red pepper, wash and finely chop the fresh parsley, Add the red pepper and parsley to the frying pan, mix the ingredients, set a side
add the marinated chicken to the griddle or frying pan, turning regularly, cook till the juices run clear, leave for 5 minutes, slice the chicken diagonally
cut the lemons into wedges, place one serving of rice onto a plate, place the watercress on the plate
place the chicken on top of the watercress, crumble the cheese over the top of the rice, serve with the tzatziki and a couple of lemon wedges