Homemade Horseradish Sauce

½ cup sour cream

2 tablespoons extra-hot prepared horseradish

2 teaspoons thinly sliced chives

¼ teaspoon lemon juice

1 pinch cayenne pepper

Stir sour cream, horseradish, chives, lemon juice, and cayenne pepper in a bowl. Cover and let sit for at least 2 hours.