You needn’t look far in this town to find an overpriced poultry liver mousse packed into a Mason jar and gilded with some sort of fruit gelée. This eight-buck wonder trumps them all. It will arrive abstractly outfitted with cleverly chosen garnishes such as a rhubarb coulis and toasted pecans. Spread some on a hunk of the warm, house-baked rye baguette and lean into its melty, whipped-butter texture and rich flavor.