Brown your ground beef with onions, drain grease. Add water and taco seasoning, cook until water is evaporated.

Toss in the beans, cook for a few min, add tomatoes, Taco sauce, and spinach and cook until spinach is wilted

In a baking dish, layer tortillas, beef mixture, and shredded cheese. Top finally with cheese and green onion or cilantro.

Bake at 375° for 25 min.

Serve hot with sour cream on the side or on top.