How do you keep your baby's diet balanced?

We introduced the kids to our diet early, when they are 1 year old. Morning is default oatmeal porridge with different varieties of fruits, the different fruits increase the sweetness of the oatmeal and we are assured they have their fruits intake daily. Lunch and dinner comes with at least 1 serving of vegetables, and we will guide the kids to eat together with the other ingredients to reduce the 'bitterness' of vegetables. Although resistance is expected, we read books about importance of eating vegetables such as constipation (which ironically is the funny component and the kids can remember easily). For snacks, we tend to focus on sweet potato, corn, baked broccoli and less on bread/biscuits etc.. the kids got used to it and are comfortable with eating them now.