
300 ml heavy cream 36%
300 ml milk 1,5%
4 cloves garlic - peel and finely grate
1 bunch thyme - leaves only, remove the stalks, keep some for final decoration
thyme - final decoration
1000 g potatoes - peel and cut into thin slices
100 g gruyère cheese - finely grate
salt - to your taste
black pepper - freshly ground from a pepper mill, to your taste