Warm sesame oil in a small pan over medium heat. Add curry powder, garlic and ginger; sauté until fragrant, about 1 ½ minutes.
Add chicken broth, soy sauce, brown sugar, and chili paste. Stir to combine and then cover; cook for 5 minutes. Remove the pan from the heat and set aside.
VERMICELLI
In a large bowl, place vermicelli in enough hot water to cover and soak until noodles are soft, about 3 to 4 minutes. Use a fork or chopstick to separate noodles while in the water.
Drain noodles and sprinkle with curry powder. Stir until they are evenly coated; set aside.
SINGAPORE
In a small bowl, add eggs and beat well before adding a few dashes of fish sauce; stir to combine and set aside.
In a large wok over medium-high heat, add 2 tbsp. sesame oil and vegetable oil. When hot, add onion strips and peppers slices; cook until softened.
Add garlic and ginger; sauté for 1 minute. Add green onions and bean sprouts; stir fry for 3 minutes. Transfer vegetables in a bowl and set aside.
Reduce the heat to medium and add the reamining 2 tbsp. sesame oil to the wok. Add shrimp and sauté for 30 seconds before adding char siu pork; toss to combine and sauté for 2 minutes. Remove the pan from the heat.
In a small skillet over medium heat, add egg mixture and stir until scrambled but slightly wet.
Return wok on the medium heat, add scrambled eggs and vegetables; toss to combine. Add vermicelli and toss until well combined. Pour in sauce and mix thoroughly to coat noodles. Serve with toasted sesame seeds and fresh chives.
Notes
Footnote: If you need to add more oil to sauté the ingredients, add vegetable oil because too much sesame oil can be overpowering.