Coffea Arabica is easy to grow indoors, makes a very attractive houseplant and if it likes you well enough, it will even rewards you with flowers and berries!
The flowers are followed by green fruit, turning Yellow when ripe. It is one of the most tropical of the passionfruit varieties, and a major commercial crop used in fruit juices.
Grow your own Coffee, will take approx 4 years for first harvest. It is actually very easy to grow, indoors. This is surely worth a try for something different.