Advice, Variations, and Storage

This type of side dish can also be prepared in advance if you decide to serve it at room temperature, allowing you to use the oven for another dish.

Storage should always be done in the refrigerator to prevent the food from being attacked by harmful bacteria.

If you can’t find Borettane onions, no problem; feel free to use any large onions of any color, but cut them in half.

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