01 - 
                Set the oven to 175°C and allow it to fully preheat.
              
              
              
                02 - 
                In a large skillet over medium heat, cook the ground beef until it is evenly browned. Drain excess fat.
              
              
              
                03 - 
                Add taco seasoning and salsa to the beef. Stir thoroughly and let it simmer until the mixture thickens slightly, about 2–3 minutes.
              
              
              
                04 - 
                In a mixing bowl, blend the beef mixture with drained black beans and frozen corn until evenly incorporated.
              
              
              
                05 - 
                Distribute half of the crushed tortilla chips evenly across the bottom of a 33 x 23 cm baking dish.
              
              
              
                06 - 
                Spread the beef mixture over the chips, then sprinkle with half of the shredded cheddar cheese.
              
              
              
                07 - 
                Add the remaining crushed tortilla chips as the next layer, followed by the rest of the cheddar cheese.
              
              
              
                08 - 
                Scatter sliced black olives and chopped green onions evenly across the top.
              
              
              
                09 - 
                Place in the oven and bake for 20–25 minutes, until the cheese is thoroughly melted and bubbling.
              
              
              
                10 - 
                Allow to cool slightly before garnishing with chopped cilantro, if desired. Serve warm.