Heat a large nonstick skillet and sauté the onion and garlic in olive oil.
Add the turnip and parsnip and continue to sauté for 5 minutes.
Add the carrot and sauté for 3 minutes.
Add the water and bring to a boil.
Cover and simmer for 30 minutes or until cooked.
Adjust the seasonings and serve hot, garnished with fresh parsley.