Preheat oven to 350° F. Spray a 9x5" loaf pan with olive oil flavored cooking spray.
In a medium bowl, combine 1/2 cup salsa and sour cream. Refrigerate. In a large bowl, combine meat, oats, remaining 1/2 cup salsa, parsley flakes and cheddar cheese. Mix well to combine.
Pat mixture into prepared baking dish. Bake for 45 to 50 minutes. Place baking dish on a wire rack and let set for 5 minutes.
Cut into 6 servings. Serving size (1 slice)
When serving, top each piece with 2 tablespoons sour cream mixture.