In a kettle, heat oil over medium heat. Add finely chopped beef steaks and chopped onions; saute, stirring frequently. Add garlic powder, oregano, paprika, cumin, salt, and tomato sauce. Stir in chopped whole tomatoes and simmer.
Bring 2 cups water to a boil in a saucepan and add chopped jalapeno peppers. Stir occasionally, until the peppers are soft. Drain and puree in a blender or food processor. Add the peppers to the meat mixture. Rinse the blender with 1 cup water and add to the meat mixture. Stir in chocolate candy bar and allow to simmer for 1 hour.