Prepare as directed, reserving the shredded cheese for later use. Spoon into 1-1/2-qt. casserole sprayed with cooking spray. Refrigerate up to 24 hours. When ready to serve, bake (uncovered) in 350°F oven 1 hour or until heated through. Top with shredded cheese.
Look for firm, smooth, well-shaped potatoes that are free of wrinkles, cracks and blemishes. Avoid any with green-tinged skins or sprouting "eyes" or buds.
How to Roast Peppers
Heat broiler. Place whole bell peppers or large chile peppers on foil-covered baking sheet. Broil, 4 inches from heat, 7 to 10 min. or until peppers are evenly blackened, turning occasionally. Place in paper bag; close bag. Let stand 20 min. or until peppers are cooled. Remove peppers from bag. Peel away blackened skins with small knife; discard skins. Cut peppers lengthwise in half; remove and discard seeds. Use roasted peppers as directed in recipe.