Slice green beans and soak in water
Drain and cube tofu
Brown beef in a non stick pan
Meanwhile, dice garlic, slice chilies and slice rinsed basil leaves (discard the stems), set aside
Once beef is ready, stir in butter, followed with garlic, basil leaves, and chilies, cook until fragrant a minute or two
Add in green beans, stir
Cover with lid and cook until somewhat tender (5-8 mins), on low-med heat
Take off lid, add in tofu, stir
Season dish, cook for another minute or two
Serve immediately with warm rice