For nachos, I use refries, taco meat, on top of corn tortilla chips, put the chips on a baking sheet in a single layer, top with spoonfuls of the refries and taco meat. Add shredded Pepper Jack and mild cheddar mix. Bake at 350° until cheese is melted. Then guests are allowed to add whatever toppings they like, shredded lettuce, salsa, pico de gallo, black olives, green onions, tomatoes sour cream, jalapeños, the kitchen sink...