What I would roughly eat in a day (from yesterday)
breakfast, full bowl of cereal (any kind) with semi-skimmed milk.
Snack probably a cereal bar, a portion of fruit and a pack of crisps.
Lunch is very salady atm because it's hot, so a sandwich with spinach, lettuce, tomato, ham and brie. Some cherry toms, a lump of cucumber, some mini picnic eggs, satay sticks/pepperoni.
Snack ice cream! Sweets, more crisps or a cereal bar.
Dinner hot meal, yesterday was bacon and chicken with pasta and pesto meat was fried with onion and peppers. Maybe some ice cream or fruit for desert but don't usually have any.
On a bad day, I will eat no breakfast, a couple of portions of fruit a big bag of doritos/sensations/popcorn some cereal bars etc during the day and then have a proper evening meal later.
Neither variation has any effect on my weight (BMI about 16-17), but I try and go for the healthier version because I am aware that just because I am not putting on weight doesn't mean I'm not damaging my insides.