Meatballs:

• 1 large yellow onion, finely chopped
• 1 cup chopped fresh cilantro, divided
• 1/2 cup long-grain white rice
• 2 large eggs
• 4 garlic cloves, finely chopped
• 2 tablespoons chopped fresh mint (optional)
• 1 tablespoon plus 1 teaspoon dried oregano, divided
• 1 tablespoon kosher salt, divided
• 2 teaspoons ground cumin, divided
• 1 teaspoon ground black pepper, divided
• 2 pounds ground beef (80/20)

Soup:

• 2 tablespoons vegetable oil
• 1 medium jalapeño, seeded and diced
• 4 medium carrots, peeled and sliced into 1/4-inch half-moons
• 2 quarts beef broth
• 1 (28-ounce) can crushed tomatoes
• 2 dried bay leaves
• 3 medium russet potatoes, peeled and cut into 1/2-inch cubes
• 3 medium zucchini, sliced into 1/2-inch thick half-moons
• Cooked rice, to serve