Preheat Oven & Prepare Dish:
Preheat oven to 350°F (175°C) and spray a 9×9-inch baking dish with non-stick spray.Cook the Beef:
In a large skillet over medium heat, crumble and cook the ground beef until fully browned. Drain excess grease.
Add taco seasoning and water, cooking for 2 minutes until well combined.Mix the Cheese Filling:
In a medium bowl, combine drained tomatoes, nacho cheese soup, sour cream, and the cooked beef. Stir until fully incorporated.Assemble the Lasagna:
Place 3 tortillas in the bottom of the prepared baking dish.
Spread 1/3 of the meat mixture over the tortillas.
Repeat layers, finishing with a top layer of tortillas.
Sprinkle grated cheddar cheese evenly over the top.
Bake:
Bake for 20 minutes, or until hot and the cheese is melted and bubbly.Serve:
Slice and serve with optional guacamole, chopped cilantro, and extra sour cream for garnish.
