preheat the oven to 180°C
heat a medium, oven-safe pan over medium heat with a little oil
sauté the sausages until lightly coloured all over
add the honey, grain mustard and toasted sesame seeds and toss to coat
transfer the pan to the oven and cook for 5 minutes
remove, add the chopped rosemary and a few turns of black pepper, and turn the sausages to glaze evenly
tip into a warm serving pot and serve hot