Every so nice with cold roast beef, drizzled over it and a side salad.
Ingredients (to own taste and need really so no specific amounts given)
equal portions of créme fraiche and natural yogurt
some creamed horseradish
salt and pepper
Beat the yogurt and créme fraiche together, stir in the other ingredients, taste and adjust as necessary.
Drizzle over meat and salad.
Half fat créme fraiche is one and a half syns per level tbsp
Yogurt is free
Creamed horseradish is two syns per level tbsp (values vary - I use Morrisons but if you use other brands, check)
Lemon juice/seasonings are all free