Preheat oven to 350 degrees.
Line a cookie sheet or baking pan with foil.
In a large bowl, combine beef, onions, red bell pepper, corn, ½ cup salsa, crushed tortilla chips, egg whites, and a little pepper. Mix well until thoroughly combined.
Place meatloaf mixture in center of cookie sheet and shape by hand, into a 12 x 4 inch loaf.
Spread remaining ½ cup salsa evenly over the top of loaf. Add more, if desired.
Bake 1 hour and let stand for 5 minutes before slicing. Cut into 12 slices.