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Tasty Potato and Onion Gratin (Page 3 ) | March 4, 2025
4. Cook:
Cover the dish with aluminum foil and bake for 40 minutes.
Remove the aluminum foil and brown for another 15 to 20 minutes until the top is golden brown.
5. Serve:
Let stand for 5 minutes before serving so that the flavors blend perfectly.
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