Preparation Pulse together all ingredients in a food processor until tomato is finely chopped and butter is pale pink. Transfer to a sheet of wax paper or parchment paper and roll into a log about 1 1/2 inches thick. Twist ends of paper to enclose butter and chill until firm, about 30 minutes.
Preparation Pulse together all ingredients in a food processor until tomato is finely chopped and butter is pale pink. Transfer to a sheet of wax paper or parchment paper and roll into a log about 1 1/2 inches thick. Twist ends of paper to enclose butter and chill until firm, about 30 minutes.