It depends on what kind of degree you want to earn and what field you want to work in. If you are a teacher, you will likely want to pursue a graduate degree in some area of food science/nutrition. You can work in the restaurant business, for a hospital, hotel, university or other institution. Government jobs pay the best (as salaries are terribly over-inflated). Consulting is another field that can be lucrative in major metro areas. Expect to earn $40K-$70, depending on the field.