Cook the pasta according to the packet instructions. Add the fresh peas to the cooking water for the last 3 minutes - the frozen peas for the last 5 minutes of the cooking.
Meanwhile, cut the halloumi into 1.5 cm cubes.
Heat the oil in a frying pan and brown the halloumi on all sides. This should take about 5 minutes. Add the chilli and garlic for the last minute of the cooking, then stir constantly.
Turn off the heat, set aside.
Mix the dressing.
When the pasta and peas are ready, drain them and add to the halloumi, combine well. Add the dressing and toss again. Season to taste.
Serve warm with plenty of freshly ground peppercorn.