The Smotherload

Name: The Smotherload
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: American
Ingredients: 1 20-to-22-ounce package frozen waffle fries; 4 slices bacon; 1 1/2 cups shredded mild yellow cheddar cheese (about 6 ounces); 1/2 cup shredded mozzarella cheese (about 2 ounces); 1 tablespoon cornstarch; 2 tablespoons chopped pimientos; 1/4 teaspoon mustard powder; 1/4 cup sour cream; Kosher salt and freshly ground pepper; 2 scallions, sliced