In a skillet over medium heat, brown the ground beef or turkey until fully cooked.
Drain excess fat and add taco seasoning, stirring well to combine.
Cook according to packet instructions, adding a little water if needed.
In a large bowl, layer the shredded lettuce as the base.
Add a layer of the cooked meat on top of the lettuce.
Sprinkle the black beans evenly over the meat.
Add the corn and diced tomatoes next.
Crumble the Doritos over the top for that signature crunch.
Drizzle sour cream and salsa over the salad for added flavor.
Top with shredded cheese and optional garnishes like cilantro and avocado.