Beef and Cilantro Curry

1 lb sirloin steaks
1 tsp oil
2 Tbs butter
1 onion, chopped
2 cloves garlic
1 can chopped tomatoes
3 bouillon cubes
Hot or chili sauce
Salt and pepper
Ginger root, grated
3 cups water
Fresh cilantro
Lime zest and lime juice

Brown sirloin steak slices in oil and butter in a big pot, remove.
Lower heat and add chopped onions and garlic to pan, sweat for 10 minutes with salt and pepper.
Add 2 tsp cumin, 1 can chopped tomatoes, grated ginger root (about 2 inches), and grated lime zest.
Return meat to pan.
Add chopped fresh cilantro and 3 cups water and 3 beef bouillon cubes.
Season with chili or hot sauce. Cover and simmer for 30 minutes.
Add more fresh cilantro and lime juice and serve with rice.