Serves 4 Ingredients: 400g pasta of choice 200g block feta cheese 1 large red onion 500g portabellini mushrooms ± 6 fresh thyme sprigs Zest and juice of 1 lemon Olive oil Salt and pepper, to taste To serve: Fresh thyme leaves Parmesan cheese   Method: Preheat oven to 200˚C fan on. Slice mushrooms fairly thickly and slice red onion into petals. Place the block of feta into the centre of a large…