Cook the lasagna noodles in boiling water according to package instructions until al dente, then drain and set aside.
Heat a skillet over medium heat and add the ground beef. Cook until browned and fully cooked, about 8 minutes, breaking it apart with a spoon.
1 lb ground beef
Add the taco seasoning mix and salsa to the cooked beef. Stir well and simmer for 5 minutes until the mixture thickens and is fragrant.
1 lb ground beef
Preheat the oven to 375°F (190°C). Spread a thin layer of the beef mixture at the bottom of a baking dish.
1 lb ground beef
Layer three lasagna noodles over the beef, then spread half of the remaining beef mixture over the noodles. Sprinkle with 1 cup of shredded cheddar cheese.
1 lb ground beef
Repeat the layers: another three noodles, the remaining beef mixture, and a final layer of noodles. Top with the remaining cheese, sliced black olives, crushed tortilla chips, and dollops of sour cream.
1 lb ground beef
Cover the dish with aluminum foil and bake in the preheated oven for 25 minutes. Remove foil and bake for an additional 10-15 minutes until bubbly and golden on top.
Let the lasagna rest for 5 minutes before slicing. Garnish with shredded lettuce and extra toppings if desired. Serve hot.
1 lb ground beef
