This is traditional French sauce

Ingredients:

• Medium shallots, minced (Small Onions)

• 1/ cup dry white wine

• 1/4 cup white-wine vinegar

• Pinch crushed black peppercorns

• 4 large sprigs fresh tarragon (Or dry –Find in any grocery Store- Before you start
  Put this in vinegar)

For the sauce:

• 2 spoons butter
  
• 3 large spoon Mayonnaise
• 1 Small Spoon Mustard
• 3 Tbs. water
• Salt and freshly ground pepper

Click here for how to make Béarnaise Sause