Place the stick of butter in a large pan on medium-low heat.
While the butter is melting start chopping up the garlic and parsley.
Once the butter is melted reduce the heat and add in the garlic
Cook until the garlic is tender, not brown.
While the garlic and butter are cooking you'll notice a foam rising to the top, this is the milk solids. Simply remove by placing the spoon right under and discard.
To finish, squeeze in lemon juice and add the chopped parsley.