Creating the Mediterranean Ground Beef Stir-Fry is straightforward if you follow these easy steps:

1. Heat Oil: In a large skillet or wok, heat the olive oil over medium-high heat.
2. Cook Onions: Add the chopped onion and sauté for about 2-3 minutes until translucent.
3. Add Garlic: Stir in the minced garlic and cook for an additional 30 seconds until fragrant.
4. Brown the Beef: Increase the heat to high and add the ground beef. Cook, breaking it apart, until browned, about 5-7 minutes.
5. Season the Beef: Sprinkle the oregano, paprika, cumin, salt, and pepper over the beef. Stir well, letting the flavors meld.
6. Add Vegetables: Toss in the bell pepper and zucchini. Cook for another 5 minutes until vegetables are tender but still crisp.
7. Incorporate Spinach: Add the fresh spinach and stir until wilted, approximately 2 minutes.
8. Finish with Lemon Juice: Remove from heat and drizzle with lemon juice. Stir to combine.
9. Garnish: Top with chopped parsley before serving.

These steps will guide you to prepare a flavorful and vibrant Mediterranean meal that everyone will adore!