Mix the egg yolks, two tablespoons of water, soy sauce, cornstarch and salt. Wash the meat, dab dry and cut into two centimetre cubes. Add meat to the marinade and marinate for 1/2 hour.
Put the pineapple on a sieve and let it drain. Clean and wash the peppers and cut them into fine strips. Cut the pineapple into small pieces. Heat oil. Turn the meat in cornflour and tap a little bit.
Brown the meat pieces in portions in hot oil for about two to three minutes. Take them out and let them drip off on kitchen paper. Heat peanut oil in a wok. Cook the peppers, pineapple and peas for 5 minutes.
Mix all ingredients for the sauce. Add to vegetables and heat for two minutes. Finally add the meat, turn briefly in the vegetables and serve immediately.