A white button down would work here too, but there is something so classic about a black turtleneck, and this denim shirt is a great elevated basic that would be a little more casual but still put together. Lastly, If you need a practical bag that works at the grocery store and will carry all of your casseroles over to the in-laws, this sustainable plastic woven number from the Lilley Line is amazing and they come in lots of sizes and colors.