Fried noodles with spicy peanut sate beef and fragrant herbs

From The Food and Cooking of Vietnam and Cambodia:  Soak 8 oz vermicelli in warm water for 20 minutes.  Grind 4 dried serrano peppers.  Heat 4 tbsp peanut oil.  Add 5 minced garlic cloves and saute.  Add 2 tsp curry powder, the ground chiles, and 1/3 cup ground peanuts. Cook until they form a paste.  Let cool.  Slice 1 pound sirloin against the grain.  Heat 1 tbsp veg oil in a pan.  Add beef and saute 1-2 minutes.  Add 1 tbsp peanut mixture and cook another minutes.  Remove to a bowl.  Heat 1 1/2 tsp veg oil.  Add drained vermicelli and the rest of the peanut paste and stir fry 3-4 minutes.  Add beef back in and cook another minute.  Add 1 cup bean sprouts and 2 tsp fish sauce and remove to serving dish.  Toss in chopped basil and mint to taste.