Heat olive oil in large sauté pan over medium heat. Add onions and cook a few minutes. Next, add garlic, continuing to stir until garlic is fragrant. Then, add ground beef, stirring.
Add paprika, cumin, cayenne, salt and pepper, stir and adjust seasoning to taste. Cook until beef is brown throughout.
Stir in chopped olives and olive juice. Remove pan from heat and cool to room temperature, until cool enough to handle.