Beef Tenderloin - Jo Cooks

Ingredients

• 3 pounds beef tenderloin
• 1 teaspoon salt
• 1 teaspoon pepper
• 1 tablespoon olive oil
• 3 tablespoons butter (unsalted, melted)
• 2 tablespoons balsamic vinegar
• 1 teaspoon Dijon mustard
• 4 cloves garlic (minced)
• 3 springs thyme
• ½ cup Greek yogurt
• ¼ cup sour cream
• 2 tablespoons lemon juice
• 2 teaspoons horseradish
• ¼ teaspoon salt (or to taste)