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Toss the potato mixture with the mayonnaise and mix until well combined.
Put the pan in the preheated oven and bake for about 1 1/2 hours, or until the potatoes are soft and the top is browned.
Advice If you’re watching your weight, try using low-fat cheese and Greek yogurt instead of sour cream.
To give the meal a spicy bite, add jalapeños or chili flake