How to Make It
Coat a 6-quart slow cooker with cooking spray.
Heat 2 teaspoons oil in a large nonstick skillet over medium-high heat. Cut steak into quarters. Sprinkle steak evenly with 1/4 teaspoon salt and 1/4 teaspoon black pepper; add steak to pan. Cook 4 minutes on each side or until browned. Transfer steak to slow cooker. Add remaining 1 teaspoon oil, onion, bell peppers, and garlic to pan; cook 3 minutes or until slightly softened, stirring occasionally. Stir in raisins; transfer onion mixture to slow cooker.
Combine stock, tomato paste, cumin, oregano, tomatoes, remaining 1/2 teaspoon salt, and remaining 1/4 teaspoon black pepper in a medium bowl. Pour tomato mixture over steak and vegetables in slow cooker. Cover and cook on LOW for 8 hours and 15 minutes or until steak is very tender.
Remove steak from cooker; shred using 2 forks. Stir steak, olives, and cilantro into sauce. Serve steak mixture over rice.
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