From Good Housekeeping. Triple-tested at the Good Housekeeping Research Institute. Rillettes are a rich, pâté-like spread served cold as an appetizer on bread or toast. NOTE: To do ahead, freeze rillettes in jars or ramekins up to three weeks before giving as gifts. Make sure to place jars in freezer-weight plastic storage bags, or wrap ramekins well in foil before freezing. Thaw in refrigerator overnight. Include a French baguette or assorted crackers with the rillettes for serving.