Preheat the oven to 375 degrees Fahrenheit.
In an iron skillet over medium heat, add 1 tablespoon olive oil, 1 chopped yellow onion, and 1 lb of ground beef. Using a spoon, mix all the ingredients and continue to stir until the ground beef becomes brown.
Add the taco seasoning, 1 cup restaurant-style salsa, and 1 pack of cream cheese, and continue to stir the ingredients.
Add the black beans and corn, and keep stirring.
Put the taco mixture in a 9×13 casserole baking dish.
Add 2 cups Fritos corn chips on top of the taco mixture, Add 2 cups shredded Mexican cheese.
Put the casserole baking dish in the oven for 10 minutes or until the cheese melts.
Take it out of the oven and add 1 cup shredded lettuce on top, Add 1 cup cherry tomatoes sliced on top as well, and Add ¼ cup black olives sliced.
