1: Elevate your classic potato casserole with secret ingredient #1: Gruyère cheese for a rich and nutty flavor.

2: Add a pop of color and sweetness with secret ingredient #2: caramelized onions for depth and complexity.

3: Amp up the creaminess with secret ingredient #3: sour cream for a tangy twist.

4: Boost the savory notes with secret ingredient #4: crispy bacon for a smoky crunch.

5: Finish off with secret ingredient #5: fresh chives for a touch of brightness and herbaceous flavor.

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Top 5 Secret Ingredients to Elevate Your Classic Potato Casserole