Yes of course, First of all i appreciate and very proud that you loving and caring your GF very much. We can your love on her. Ok come now you want plant herbs which able to cook for. And also to fit to your windows, seed some fenugreek and mustard seed in one small pot separately. You can small plants very shortly like within a week. You get some leaves of that then cook it will nice and good for health. Exactly will fix on window slab. Enjoy by doing this. And make happy give love always to your GF. God bless u both forever.