In a medium bowl mix beef, egg, bread crumbs, cheese, salt and pepper

Form the mixture into 16 meatballs

In a large, deep nonstick skillet, brown meatballs over medium -high heat, turning occasionally for 3 min

Add the green beans, potatoes, tomatoes, and garlic

Bring to boil over medium-high heat. Reduce the heat to medium-low, cover, and simmer for 8 minutes, stirring occasionally until the green beans are tender and meatballs are cooked through