Dab the fillet dry, halve lengthwise, then cut into 3-4 mm thin slices. Place in a bowl. Mix soy sauce and 1 tablespoon rice wine with the meat. Dust with starch. Gradually stir in 3 tablespoons of water.
Chill for about 30 minutes.
Meanwhile, for the sauce, put the beans in a sieve, rinse with cold water, drain well and mash finely with a fork. Stir in 1 tablespoon of sesame oil. Season with 1 pinch of sugar.
Clean, wash and chop the peppers. Leek onions clean, wash and cut into small pieces. Peel garlic and chop very finely. Clean chillies, cut lengthwise, remove seeds, wash and cut into fine rings.
Meanwhile prepare the noodles in 2-3 l boiling salted water (approx. 1 teaspoon salt per litre) according to the package instructions.
Stir 1 tablespoon each of peanut and sesame oil into the meat. Heat 2 tbsp. peanut oil in a wok or large frying pan. Add the meat and marinade. Stir-fry for 1-2 minutes. Season with salt and pepper.
Sauté the bell peppers, spring onions, garlic, chilli and beans in the frying fat for about 2 minutes, stirring continuously. Add 1 tablespoon of rice wine. Season with salt, pepper and 1 pinch of sugar. Drain the noodles and mix with the paprika beef.