Preheat your oven to 200 C and put your tomatoes in a baking tray. Sprinkly generously with olive oil and smoked salt (if you do not have smoked salt, regular seasalt will do just fine) and freshly ground pepper.
Put the tray into the oven and roast for about 15 minutes.
In the meantime put on your water for the pasta with generous salt.
Cut the smoked chicken in small strips.
Heat some olive oil and bake the chicken briefly. Add the tomato cubes to it and the creme fraiche.
Add 1 tbsp of mustard and taste. Season where needed
Cook your pasta per the package instructions, drain and add to the sauce.