Preheat the oven to 200˚ C (400˚F). Cut the cherry tomatoes in half and place in a oven tray. Sprinkle with olive oil, pepper and salt and roast in the oven for about 15 minutes
Cook the pasta according to package instructions, drain and place back in the pan.
Stir the pesto through the pasta.
Place on a plate and add the roasted tomatoes and crumble some feta over the top. Sprinkle with the chives.