In a large skillet, brown ground beef over medium-high heat.
Drain.
Stir in tomato sauce, beans, water and Taco Seasoning
Mix. Bring to a boil; reduce heat, cover and simmer 5 minutes.
Prepare corn muffin mix according to package directions. Drop small spoonfuls of muffin batter over meat mixture in a skillet. Cover and cook over medium-low heat 15-17 minutes or until corn bread is done.
Top with cheese and green onion. Cover and cook over low heat until cheese melts.