"The robust sour cream mixture wakes up your taste buds when you bite into these beef sandwiches. Serve them for a light lunch or as an appetizer at a party...."
INGREDIENTS
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2 tablespoons dairy sour cream
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1 teaspoon prepared horseradish
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1/2 teaspoon snipped fresh chives
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Kosher salt
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Ground black pepper
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4 slices thinly sliced firm-textured rye sandwich bread
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1 tablespoon butter, softened
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4 thin, deli-style slices cooked roast beef (5 ounces)
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Julienned radishes