01 -
Heat a large skillet over medium heat. Add ground beef, breaking it up with a spoon. Cook until browned and juices have mostly evaporated, about 7 minutes.
02 -
Stir in taco seasoning, undrained diced tomatoes with green chilies, cheddar cheese soup, and milk. Reduce heat and simmer gently for 5 minutes to meld flavors and slightly thicken the sauce.
03 -
Lightly grease a 9x13-inch baking dish. Spread half of the crushed Doritos evenly across the bottom to create a crispy base.
04 -
Evenly spoon the beef mixture over the Doritos base and spread with a spatula for uniform coverage.
05 -
Sprinkle the remaining crushed Doritos evenly over the beef layer. Finish by distributing shredded cheddar cheese evenly on top.
06 -
Bake in a preheated oven at 350°F (177°C) on the center rack for 15 to 20 minutes until cheese is melted and beginning to brown. Remove and let rest for 5 minutes before serving to set layers.