TERIYAKI PORK UDON NOODLE BOWLS

2 British pork loin steaks • 3 tbsp Kikkoman Teriyaki Marinade • 200g pack brown rice udon noodles • 2 medium British Blacktail Free Range Eggs • 500ml fresh Cooks’ Ingredients Chicken Stock • 2 salad onions, finely chopped (whites and greens separated) • 235g pack pak choi, ends trimmed