Wet and wring out a piece of baking paper and cover the top, flat steaming tray.Put spinach leaves into mixer bowl, chop for 1-2 sec/speed 4/MC on. Scrape bowl down.Add cream, eggs, salt and spice mix to mixer bowl, blend for 10 sec/speed 4/MC on.Pour egg mixture onto the prepared baking paper and arrange tomato and feta on top. Rinse the mixer bowl.Add 300 g water to the mixer bowl, put the steaming trays in place and steam for 15 min/steaming temperature/speed 3 or until cooked.Garnish with spring onion, cracked pepper and salt to taste.