2 tablespoons sunflower oil
4 chicken breasts - lightly flatten with the palm of your hand
2 tablespoons butter
1 onion - peel and finely choppe
4 cloves garlic - peel and finely grate
1 tablespoon rosemary - leaves only, finely chop
125 ml water
250 ml heavy cream 36%
0,5 cube chicken stock cube
2 tablespoons Dijon mustard
1 tablespoon rosemary flowers - final decoration
salt - to your taste
black pepper - freshly ground from a pepper mill, to your taste
