Steps
1. In a bowl, mix the cumin, paprika, cinnamon, salt, and pepper.
2. Add the beef cubes to the bowl and coat them well with the spice mixture.
3. Thread the beef cubes onto skewers.
4. Heat a grill pan or grill over medium-high heat and brush with olive oil.
5. Grill the beef skewers for about 2-3 minutes per side, or until cooked to your liking.
6. Serve hot and enjoy!