HEAT oven to 425ºF. Place TATER TOTS in an even layer on an 11×17 baking sheet. Bake TATER TOTS according to package directions, until golden brown and crispy.
Meanwhile, in a small bowl, mix sour cream and dressing.
Spread sour cream mixture over cooked TATER TOTS. Sprinkle with cheese, bacon and parsley. Return to the oven for just a couple of minutes, until cheese has begun to melt. Serve immediately.