Place all ingredients in food processor. Cover; pulse on and off until blended. Using parchment paper to hold butter mixture, roll it back and forth to form 2-inch diameter log. Wrap and refrigerate for 30 minutes or until firm.
To mold butter into shapes, pack prepared butter into molds prior to refrigeration.
Butter may be prepared ahead of time, wrapped or covered and refrigerated for up to 2 weeks.
Blue Cheese Butter: Prepare recipe as above, replacing 1/2 cup butter with 4 ounces crumbled blue cheese and omitting parsley. Chevré-Mint Butter: Prepare recipe as above, replacing 1/2 cup butter with 4 ounces goat cheese, substituting 1 tablespoon finely chopped fresh mint leaves for parsley. Coconut Cilantro-Lime Butter: Prepare recipe as above, substituting 1 cup chilled coconut oil for 1 cup butter, 1 tablespoon finely chopped cilantro leaves for parsley and adding 1 teaspoon freshly grated lime peel (about 1 lime). Creamy Onion-Chive Butter: Prepare recipe as above, replacing 1/2 cup butter with 1/2 cup onion-chive cream cheese spread and omitting parsley. Queso Blanco-Chipotle Butter: Prepare recipe as above, replacing 1/2 cup butter with 1/2 cup crumbled queso blanco, omitting parsley and adding 2 tablespoons minced chipotle in adobo sauce. Sour Cream Butter: Prepare recipe as above, replacing 1/2 cup butter with 1/4 cup sour cream, substituting 1 tablespoon dried tarragon for parsley and adding 1 tablespoon freshly grated lemon peel (about 1 lemon).Sundried Tomato Butter: Prepare recipe as above, replacing 1/2 cup butter with 1/2 cup prepared sundried tomato spread and omitting parsley.
Nutrition information per serving, for Classic Compound Butter: 106.9 Calories; 104.4 Calories from fat; 11.6g Total Fat (7.3 g Saturated Fat; 3 g Monounsaturated Fat;) 30.5 mg Cholesterol; 78.8 mg Sodium; 1.1 g Total Carbohydrate; 0.3 g Dietary Fiber; 0.4 g Protein; 0.5 mg Iron; 0.1 mg NE Niacin; 0 mg Vitamin B6; 0 mcg Vitamin B12; 0.1 mg Zinc; 0.4 mcg Selenium; 4 mg Choline.