ethiopian beef dish (a.k.a. tsebhi sga or key wet)

2 lbs beef (diced, sirlion)
2 medium-large onion (diced small)
1/2 cup ethiopian spiced butter
1 cup crushed tomatoes
1/4 cup berbere spice (add enough olive oil to make this into a paste)
water

Heat up 1/4 cup butter and add the onion, saute until carmelized (~25 mins), add berbere paste and saute 15 mins, adding water as needed to keep from burning, add tomatoes and simmer 30 mins, adding water to keep from burning. Add beef, cover, and cook 20 mins. Add in remaining butter. Can add more water to bring it to the desired consistency

recipe from recipezaar.com