Make-ahead instructions: Wrap stuffed potatoes after Step 6 in plastic wrap. Refrigerate for use the next day. Preheat the oven to 375 degrees F (190 degrees C). Unwrap, place on a baking sheet, and bake until heated through, about 30 minutes, then add toppings as in Step 8.
Or, wrap stuffed potatoes and freeze. If frozen, allow potatoes to thaw, then unwrap, place on a baking sheet and bake at 375 degrees F (190 degrees C) until heated through, about 35 minutes. Top as in Step 8.