Blender Bearnaise Sauce

From the joy of cooking. This is like a taste of heaven. Wonderful on fillet of beef, vegetables, eggs, or fish. I could just eat it with a spoon.

Combine wine , vinegar , and herbs in the top of a double boiler.

Cook until reduced by half.

Mixture will be very concentrated.

Cool.

Have ready in your blender.

Above mixture , 3 egg yolks and salt.

Blend about 5 seconds.

Melt butter in a saucepan until bubbling , but do not burn.

Remove center stopper from blender cap.

Turn blender motor on high.

Pour hot butter through opening in blender cap in a steady stream while motor is running , about 30 seconds.

The sauce should be finished.

If not , blend on high another 5 seconds.

Serve immediately , or you can keep warm by placing blender container in warm water.

white wine, tarragon vinegar, shallots, white pepper, tarragon leaves, chervil, fresh parsley, egg yolks, salt, real butter