Horseradish Cream Sauce

Bahan-bahan (6 porsi)

• 1/2 cup sour cream
• 3 tablespoons mayonnaise
• 1 & 1/2 tablespoons lemon juice (about half a lemon)
• 1/2 teaspoon kosher salt
• black pepper (to taste)
• 3 tablespoons prepared horseradish (drained, or more to taste)
• fresh chives (chopped)