"This whole roasted melt-in-your-mouth Beef Tenderloin is beautifully cooked medium-rare beef from edge to center with a flavorful crust!..."
INGREDIENTS
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3 lb beef tenderloin
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1 tsp salt
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1 tsp pepper
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1 tbsp olive oil
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3 tbsp butter (unsalted, melted)
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2 tbsp balsamic vinegar
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1 tsp Dijon mustard
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4 cloves garlic (minced)
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3 springs thyme
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1/2 cup Greek yogurt
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1/4 cup sour cream
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2 tbsp lemon juice
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2 tsp horseradish
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1/4 tsp salt (or to taste)