In a mixing bowl, combine ground beef, bread crumbs, egg, Cajun seasoning, and salt. Mix until well combined.

Form the mixture into meatballs, about 1 inch in diameter.

In a large pot, heat olive oil over medium heat. Add chopped onion and garlic, sauté until softened.

Add bell pepper and cook for another 2-3 minutes.

Stir in diced tomatoes, beef broth, green beans, corn, and black pepper. Bring to a simmer.

Add meatballs to the pot and cook for 20-25 minutes until meatballs are cooked through.