3 egg yolks
2 tbsp. lemon juice
1/4 tsp. salt
1/8 tsp. cayenne pepper
2 sticks (1/2 lb.) butter

1. In the container of a blender put egg yolks, lemon juice, 1/4 teaspoon salt and cayenne pepper.

2. Melt butter until hot and bubbly, but not brown.

3. Blend egg yolk mixture on low for 3 seconds.

4. Raise speed to high and carefully remove blender cover. With blender still running, pour hot butter in slowly, in a steady stream. Continue blending for 5 more seconds. Transfer to serving bowl and serve.