Boil ramen until tender, drain, and set aside.
Brown sausage slices until crisp at the edges.
Add onion, garlic, bell pepper, and jalapeño; stir until soft.
Stir in soy sauce, oyster sauce, chili oil, and sugar; toss to coat.
Add noodles, mix thoroughly, and adjust heat to taste.
Cook until edges crisp but yolk stays runny.
Plate noodles, top with fried egg, sprinkle parsley and chili flakes.
