Spray counter lightly with non-stick cooking spray. Combine rolls together and roll into a 10x13-inch oblong shape.
Place on a sprayed baking sheet. Poke with a fork several times to prevent bubbles from forming.
Pre bake at 350°F 10-15 minutes. Remove from oven to cool.
Peel potato and cut into 1/2-inch cubes. Combine sour cream and ranch dressing and spread over cooled crust. Sprinkle with 1/2 cup cheese. Top with potato, bacon, broccoli, green onion and remaining cheese. Salt & pepper to taste. Bake an additional 10-15 minutes or until cheese is nicely melted.