Total Time
Prep 5 mins
Cook 0 mins

This recipe goes well with the Herb-Crusted Prime Rib I posted. If you make this the night before you need it, you will find it'll taste even better than when freshly made.

Ingredients Nutrition


  1. Thinly slice onion and place in a small bowl.
  2. Stir in mayonnaise, 2 tbsp horseradish, parsley& Dijon if using.
  3. Mix well.
  4. Taste and stir in remaining horseradish, 1 tsp at a time, if you like.
  5. This sauce can be made up to 3 days before serving.