01 - In a medium bowl, mix the softened butter, garlic, parsley, chives, thyme, salt, pepper, and lemon zest if using until well incorporated.
02 - Transfer the mixture onto parchment paper or plastic wrap, form into a log shape and roll tightly to seal.
03 - Refrigerate the butter log for at least one hour to firm up before slicing or serving.
04 - Slice and use over warm bread, grilled meats, vegetables, or seafood as desired.