Gather your ingredients to ensure a smooth preparation process.
Leave the two sticks of unsalted butter out at room temperature until softened.
Finely grate the garlic cloves using a grater or garlic press.
In a mixing bowl, combine softened butter, cold unsalted butter, grated garlic, parsley, and chives. Mix until well combined.
Add coarse salt and freshly cracked pepper to taste, mixing thoroughly.
Transfer the garlic butter to plastic wrap, shape into a log, and wrap tightly, or store in an airtight container in the fridge.