You can add, peas, mushrooms..whatever.
1/2 lb beef, sliced
2 onions, sliced
2 tbsp. butter
3 tbsp. flour
2 tbsp. red wine or sake
1-2 tsp. beef stock powder and a little more than a cup of water
1 cup tomato juice or tomato-based vegetable juice OR
5 tbsp. tomato paste+2/3 cup water
1 tbsp. soy sauce
1/2 tbsp. Worcestershire Sauce
Potatoes and carrots, optional
Melt butter in a frypan, and stir-fry beef and onions until beef is browned and onions are tender, adding the other extra butter half-way through.
Sprinkle flour over, quickly stir to coat the beef and stir-fry for a minute longer.
Pour wine or sake onto the beef, let the alcohol evaporate a little, then add all remaining ingredients, stir and simmer 20 min.
Serve with rice on a pasta bowl or plate and sprinkle with Ao-nori, if desired.
