Fettuccine Heat oil in a large pot. Add onion & garlic & saute gently for 5 minutes. Add potatoes & turnip & continue to saute for another 3 minutes, stirring occasionally. Mix in chopped tomatoes, raise heat & bring to a gentle boil. Stir in the water & the rest of the ingredients, except for the fettuccine. Simmer for 35 minutes or until all the vegetables are tender. Add more water if necessary. Meanwhile cook fettuccine according to package instructions. When cooked, serve vegetables over cooked fettuccine.