20 Fluid Ounces Clarified Butter 2 Tablespoons Key Lime Juice -- or more if needed Pinch Salt Cayenne pepper -- to taste
Combine egg yolks and the 1 1/2 TB hot water in a bowl and thicken over simmering water, whipping constantly. (adding a little bit of the lime juice at this point will make the mixture more stable and less liable to 'break')