With a lovely flavour the sauce is both dairy and gluten free. Great with lots of meals like steak & chips, fish, etc.This one of my fresh tarragon recipes
Put the chopped shallot, 1 tbsp Tarragon, white wine vinegar, the black pepper & a little salt into a saucepan. Heat to boiling until it has reduced by 2/3 rds. Then let it cool.
Pour the essence through a sieve and (using the back of a spoon) carefully squeeze as much as possible into a bowl or jug. Then pour the liquid back into the saucepan.
Make the Bearnaise sauce
Heat the saucepan containing the Bearnaise sauce essence on a low heat. In a bowl mix the egg yolks with the water and pour it into the saucepan. Stir until it it is thick & fluffy
Cut the block of butter into small bits. Then slowly add them into the saucepan, melting one block at a time. Continually stirring well.
Finally add the last spoonful of Tarragon, mix well and serve.