- 1 stick (1/2 cup) unsalted butter, softened
- 1/2 cup finely chopped fresh flat-leaf parsley
- 2 tablespoons minced shallot
- 2 tablespoons fresh lemon juice
- 1/2 teaspoon minced garlic
- 1 teaspoon salt
- 1/4 teaspoon black pepper
- Purée all ingredients in a food processor until smooth.