In a large salad bowl, toss together cooled pasta, cubed cheese, tomatoes, red onion, ground beef, romaine, and pickle chunks.
In a small mixing bowl, whisk together all of the Big Mac Sauce ingredients. Pour dressing over the pasta salad ingredients and stir to coat evenly with the sauce.
Serve immediately or cover with plastic wrap and chill in the refrigerator for 1-2 hours before serving.
