Place the new potatoes in a medium sized pan, cover with cold water, and lightly salt.
Bring to the boil, and simmer for 10 to 15 minutes until cooked.
Drain and set aside.
In a medium sized bowl mix together the olive oil and vinegar, then add the Dijon mustard and dill.
Add the new potatoes to the dressing, mix and season well.
Heat a little olive oil and lots of butter in a medium sized non-stick frying pan and cook the radish, garlic and tomatoes on both sides for 3 minutes until golden brown.
Add the cheese and ham pieces and stir for 1 minute.
Add the radish to the potatoes and pour over a bed over lettuce, chives, onions, herbs, etc. and mix gently, then divide between 4 plates and serve immediately.