Heat 1 tablespoon of oil in a large frying pan or wok on medium. Add half of egg and spread out to make a thin omelette. Cook for 1 minute each side, until set. Repeat with remaining egg. Roll up together, cut into thin strips and set aside.
Heat remaining oil in same pan on medium. Stir-fry onion, garlic, chilli and shrimp paste for 3 minutes. Add beef or pork and cook for another 3 minutes, until brown. Stir in chicken and prawns and cook for another 2-3 minutes.
Stir in rice and heat through. Add soy sauce and omelette strips and toss to combine. Serve with cucumber and onion.