In a medium bowl, marinate shrimp with marinade ingredients as listed above for 15 minutes and set aside.
In a large bowl, soak dry rice vermicelli noodles in boiling water for 1 - 2 minutes or until limp, loosened and slightly softened. Strain the noodles and rinse off with cold running water. Shake out as much excess water as possible and set aside.
In a small bowl, combine the noodle sauce ingredients as listed above, fully dissolving the sugar. Set aside.
Heat 1 tablespoon / 15 ml of vegetable oil in a large pan on medium-high heat. Cook marinated shrimp until pink and slightly curled, about 30-90 seconds - do not overcook. Remove shrimp from the pan leaving the residual oil.
Sauté shallots and garlic for 10 seconds, until fragrant and push to the side.
Add remaining oil into the empty space. Then add beaten eggs and let them sit for 10 seconds before scrambling and breaking into bite-sized pieces. Push to the side.
Add noodles followed by noodle sauce and let the sauce toast in the pan for 5 seconds first. Then toss until evenly coated and there is little sauce left in the base of the pan.
Add yu choy, bean sprouts and toss until combined.
Add cooked shrimp and toss until combined. Serve and enjoy!