Place a sauce pan on medium-high heat and add the olive oil.
Add the beef and chorizo. Brown, stirring occasionally, then add the cumin, oregano, onion, bell peppers, garlic and season with salt and pepper. Cook for about 10 minutes more. Add the potatoes and cook for about 5 minutes more.
Add the tomato sauce, wine, broth, olives and raisins. Reduce the heat to low, cover and cook for about 30 minutes or until the potatoes are soft. Serve with white rice and fried plantains on the side.