Remove the plug from the blender lid. Turn the blender speed to low. With the blender running, slowly drizzle in the melted butter. Continue to blend until the mixture is smooth and totally blended. Season to taste.
6 ounces unsalted butter
Top the asparagus with the hollandaise sauce and serve immediately.
Green Asparagus can be substituted for white asparagus. Or mixed together for an eye-pleasing display.