Stroganoff-Style Chicken

Ingredients:
600g Chicken Breast, cubed
1 Onion, sliced
1 cup shimeji mushrooms, or white mushrooms
1 Red Capsicum
1 Yellow Capsicum
1 clove Garlic
1 175g can evaporated milk
1 cube chicken stock
2 tbsps tomato paste
1 tbsp paprika
1/4 cup sake or dry white wine
Rub salt and pepper into the chicken. Fry in olive oil until browned. Add onions and stir fry for 2-3 mins. Add capsicum, garlic, mushrooms and coat in oil. Add tomato paste, chicken stock, paprika, then pour in Sake. Simmer for 2-3 mins. Finally add evaporated milk, and heat but do not boil.
Season with salt and pepper. Serve with sourcream and rice if desired.