Mash in a food processor 1/2 cup of butter at room temperature, 1/3 cup of grated Parmesan cheese, and 1 1/2 tablespoons of chopped fresh parsley. Blend until smooth to form a creamy sauce. Serve with warm asparagus.
Mash in a food processor 1/2 cup of butter at room temperature, 1/3 cup of grated Parmesan cheese, and 1 1/2 tablespoons of chopped fresh parsley. Blend until smooth to form a creamy sauce. Serve with warm asparagus.