Ingredients

• 2/3 cup sour cream
• 1/4 cup Dijon mustard
• 2 tablespoons olive oil
• 2 tablespoons prepared white horseradish
• 2 tablespoons chopped fresh tarragon

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Instructions

1. Mix all ingredients in small bowl to blend. Season with salt and pepper. (Can be made 1 day ahead. Cover; chill.)