Substitution: As an alternative to 1 cup half-and-half, you can substitute 1/2 cup heavy cream and 1/2 cup whole milk.
Make ahead: The casserole can be assembled one day in advance. Cool completely, cover, and refrigerate overnight. Let sit at room temperature while the oven heats.
Storage: Refrigerate leftovers in an airtight container for up to 4 days.
Kelli Foster
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