Don't overcook veggies as this will diminish their vitamin and mineral content.
When baking potatoes, it's best to leave the skin on. Just clean the skin by scrubbing in water and then rinsing before baking/cooking. Potato skin is not only delicious but also chockfull of vitamins and minerals.
Want a healthy, detoxifying soup? Boil some leeks and drink the liquid. The French believe in the healthy benefits of leek soup.
When preparing tomatoes, remove the seeds. They are dispensable as the nutrients of the tomato are located in the skin and flesh. Speaking of tomatoes, there's a debate on what is healthier-eating fresh or cooked tomatoes. According to nutritionist, we get lycopene, the anti-cancer component of tomatoes, when eating cooked tomatoes.