Preheat oven to 350°F. Grease a 9x13 baking pan. Press dough into bottom and up sides of pan. Spread with salsa and sprinkle with 1 cup cheese. Brown sausage in skillet; drain off fat. Beat eggs and add to sausage in skillet. Cook mixture thoroughly. Spread egg and sausage mixture over salsa and cheese. Sprinkle with remaining 1 cup cheese. Bake for 20 to 25 minutes. Cool for 5 minutes. Just before serving, top with sour cream, lettuce and corn chips.