A balanced diet is not just about calories; the source of those calories will influence the overall quality of your diet and the true nutritional value.
Ideally we should be aiming for 50% of our calories being provided by carbohydrates, 35% by fats and 15% by protein. That really isn’t very helpful, when we can’t visualise those calories to start with but there’s a useful Public Health England graphic known as the eatwell plate …