I weight/eye measure everything I eat since 2003, E.V.E.R.Y.D.A.Y. except Sundays and 1 week on Summer Holidays.
At the point you are now, it should be very easy to loose 0.5kg per week. You just have to take out one or two table spoons of carbs each meal.
As your body adapts you will not feel that need for that bigger quantities as before. Mind that I didn't mention food changes for now.
The simpler aproach to change food choices is: Eat the thing in their closest natural state possible. I don't mean that you should start eating everything raw (lol), just meaning you should avoid processed stuff, like sausages, ham, ice-cream, fried stuff...
Well, enough for today.