In a skillet, heat olive oil over medium heat. Add onions, green pepper, and garlic and cook for 1-2 minutes.
Add ground beef and cook, breaking the meat apart, until no longer pink, about 5 minutes.
Turn the heat down to low. Stir in tomato sauce, cumin, oregano, salt, and pepper. Simmer for 10-15 minutes. Add green olives and raisins. Serve and enjoy!