Saute onion and garlic in butter for 2 mins, on low medium heat, until softened and fragrant, then add in sliced bell peppers. Stir fry for 3-5 mins, until bell peppers softened, covered, stirring occasionally
Add in quickly rinsed frozen shrimps. Stir fry for 5-8 mins, until shrimps turn pinkish
Stir in red bird eye chilies, then season with sesame oil and chicken bouillon powder