Pour boiling water over dried noodles until covered. Let noodles soften for 10 minutes. Drain, rinse with cold water and set aside.
Heat wok or stir-fry pan until hot at med-high heat.
Add oil, then egg and scramble until cooked.
Add shrimp and cook until partially done (about 30 seconds).
Add noodles; toss until soft and noodles start to clump together (about 60-90 seconds).
Add Tamarind Sauce; stir until shrimp is cooked.
Add scallions, bean sprouts or cabbage, and paprika and mix until heated through (about 10 sec).
Serve with a wedge of lime and roasted peanuts.