In a bowl beat 2 soup spoonfuls of concentrated sugar free milk, a large spoonful of tarragon mustard, then incorporate some oil, all whilst whisking.
At the end add a drop of vinegar.
Ingredients
2 soup spoonfuls of concentrated sugar free milk
1 large spoonful of tarragon mustard
2 soup spoonfuls of olive oil
1/2 soup spoonful of vinegar