Allow the butter to soften at room temperature.
Add lemon zest, lemon juice, chopped fresh dill, garlic, salt, and black pepper.
Mix until all ingredients are evenly combined.
Shape into a log using parchment paper or store in an airtight container.
Refrigerate for at least 1 hour before serving.
Slice or melt over seafood, vegetables, potatoes, chicken, or bread.