2 lbs beef

1 chopped onion

½ cup olive oil

1 lb tomato

1 tbs tomato paste

¼ cup vinegar

3 gloves garlic 

¼ cup parsley

Sea salt

Pepper

½ tsp rosemary leaves

2 lb small onion

½ cup butter

Cut beef into cubes.  Place in a deep sauce pan and sauté with oil.  Add chopped onion and chopped tomatoes.  Add vinegar, garlic, and parsley and cover on low for 2 hours.  Add salt, pepper, bay leaves, and rosemary leaves.  Add onions and butter and sauté around beef.  Cover and simmer about 45 minutes more.