Almond butter as used in § 981.66(c) is hereby defined as a comminuted food product prepared by grinding shelled or blanched almonds into a homogeneous plastic or semiplastic mass or liquid having very few particles larger than 1/16 inch in any dimension. To produce chunky style almond butter, almond chunks or pieces may be added up to a maximum of 25 percent by weight of the finished product. The size of the almond pieces used to make chunky style almond butter may not exceed 5/16 inch in any dimension.