Mediterranean Beef and Veggie Skillet

Name: Mediterranean Beef and Veggie Skillet
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Mediterranean
Ingredients: 2 tablespoons extra virgin olive oil; 1 pound ground beef or lamb; 1 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper; 1/2 small red onion, (thinly sliced); 1 small zucchini, (halved lengthwise and sliced into half-moons); 1 small red bell pepper, (core removed and thinly sliced); 2 garlic cloves, (minced); 1 teaspoon smoked paprika; 1 teaspoon ground cumin; 1/2 teaspoon crushed red pepper flakes; 1 tablespoon finely chopped fresh oregano leaves; 2 tablespoons finely chopped fresh dill, (plus more for garnish); 2 tablespoons freshly squeezed lemon juice; 1/2 cup crumbled feta, (for serving (omit for dairy-free, Paleo and Whole30)); Prepared brown rice or baby arugula, (optional, for serving (use cauliflower rice or omit rice for Paleo and Whole30))