01 -
Brown the ground beef in a large skillet over medium-high heat. Drain off any excess grease. Add the taco seasoning and onions and cook until softened, about 5 minutes.
02 -
Stir in the crushed tomatoes and black beans. Bring to a simmer, then reduce heat and simmer for about 10 minutes.
03 -
In a medium bowl, combine the ricotta cheese and half the mozzarella cheese.
04 -
Spread a thin layer of meat sauce in a 9x13 inch baking dish. Layer lasagna noodles, ricotta mixture, and meat sauce, repeating until ingredients are used. Top with remaining mozzarella and cheddar cheese.
05 -
Bake at 375°F (190°C) for 30-40 minutes, or until bubbly and golden brown.
06 -
Let rest for 10-15 minutes before cutting and serving.