The lady in this video is very good and has lots of calorie saving ideas.
As always take from the video what works for you, make sure you organise your meals if you eat at work or on the go. You will be surprised how soon "meal organising" will become part of your evening routine. The meals in this video are all under 300 calories which is excellent, remember to think about portion size and to eat regularly throughout your day.
As an easy guide aim to eat about every 3 hours and hydrate your body constantly. Variety in your meals is key to stop you from becoming bored, use foods which you enjoy and always try to add lots of colour to your meals.