While ham is naturally gluten-free, the glaze or seasoning on it may contain gluten. Always read the label and check for gluten and when in doubt, contact the manufacturer.
Gravy is often thickened with a roux, a mixture of wheat flour and fat, making it not gluten-free. Other sauces may be the same or have other gluten ingredients.
Holiday candy often can contain gluten. Most commonly in the form of– Malted barley– Barley malt extract– Barley malt– Enriched wheat flour– Wheat flour