In a large skillet, brown ground beef with onion until done. Drain and return to skillet.
Add the taco seasoning, chicken broth, and tomato sauce. Bring to a boil.
Add rice and mix well. Reduce to a simmer and cook, covered, for 30-35 minutes.
When rice is done, mix in corn and black beans.
Top with green onions or whatever taco garnish you like. Enjoy!