Combine all ingredients and mix until well combined. Refrigerate until just firm enough to begin to shape.
Add a long strip onto a piece of wax paper, roll and shape butter into a log about the diameter of a quarter. Twist the ends of the wax paper to seal. Refrigerate for at least 30 minutes or freeze about 10 minutes or until firm. Slice of rounds of butter as needed. Store in the refrigerator for up to 2 months or freeze for up to 6 months.