Heat the oven to 450 degrees. Place the waffle fries in a single layer on a baking pan. Bake for 18 to 25 minutes or until golden brown. Transfer the fries to a serving platter. Spoon the cheese sauce over the fries. Top with the bacon, tomato, jalapeno, bell pepper, and onion. Dollop the sour cream over the nachos. Serve immediately.