You need 1 ingredient. The key ingredients include: ["6 (9-ounce) bags restaurant-style tortilla chips", "2 cups store-bought or homemade", ", warmed", "1 large yellow onion, thinly sliced, caramelized", "12 ounces marinated artichoke hearts, drained, coarsely chopped (about 2 cups)", "10 ounces grated Fontina cheese (about 4 cups)", "1 1/2 ounces finely grated Parmesan (about 1/2 cup)", "3/4 cup cherry tomatoes, quartered", "1 pound sliced bacon", "2 large russet potatoes (about 1 1/2 pounds)", "Kosher salt", "Freshly ground black pepper", "3 cups ridged potato chips (about 3 ounces)", "8 ounces grated cheddar (about 2 1/2 cups)", "8 ounces grated Monterey Jack (about 2 1/2 cups)", "3/4 cup sour cream, plus more for serving", "2 scallions, thinly sliced", "1/2 teaspoon paprika", "2 tablespoons sliced chives", "1/2 avocado, diced", "4 cups shredded pork baby back rib meat (from about 1 pound ribs), or pulled pork, warmed", "1/2 cup barbecue sauce, plus more for serving", "1 pound shredded smoked mozzarella (about 4 cups)", "1/2 cup coarsely chopped pickled jalapenos", "1 cup store-bought or homemade", "1/4 cup finely chopped white onion", "2 tablespoons cilantro leaves with tender stems", "4 cups marinara sauce, drained in a paper towel-lined colander", "6 ounces sliced pepperoni", "6 ounces Canadian bacon, cubed", "10 ounces fresh Italian sausage (about 3 links), casing removed, crumbled, cooked", "1/2 cup chopped green bell pepper", "1/2 cup chopped orange bell pepper", "1/2 cup chopped red bell pepper", "1/2 cup chopped yellow bell pepper", "1 pound grated mozzarella, (about 4 cups)", "1 1/2 ounces finely grated Pecorino Romano (about 1/2 cup)", "1/4 cup black olives, pitted, coarsely chopped", "1/2 teaspoon crushed red pepper flakes", "1/4 teaspoon garlic powder", "1/4 teaspoon dried oregano", "2 tablespoons basil leaves, torn", "4 cups shredded rotisserie chicken (from about a 3-pound rotisserie chicken)", "1/2 cup buffalo wing sauce (such as Frank's), plus more for serving", "13 ounces shredded Colby or Colby-Jack cheese (about 4 cups)", "4 ounces crumbled blue cheese (about 2/3 cup)", "1 small red onion, thinly sliced", "1 stalk celery with leaves, thinly sliced", "2 pickled pepperoncini peppers, seeded, sliced", "2 cups store-bought or homemade", "1 crispy tostada bowl or taco salad shell", "1 (18x26) or 2 (13x18"") baking sheets, lined with foil"].