Best Beef Tenderloin Recipe

Ingredients

• 3 cloves garlic, 2 smashed, 1 finely chopped
• 1/2 c. extra-virgin olive oil
• 2 tbsp. balsamic vinegar
• 2 tbsp. honey
• 2 tbsp. whole-grain mustard
• 3 sprigs fresh rosemary, plus 2 tsp. finely chopped fresh rosemary
• 3 sprigs fresh thyme
• 1 dried bay leaf
• 1 (2-lb.) beef tenderloin, room temperature
• 1 tsp. kosher salt
• 1 tsp. freshly ground black pepper
• 1/2 c. non-fat Greek yogurt
• 1/4 c. sour cream
• 1 tsp. prepared horseradish
• Juice of 1/2 lemon
• Kosher salt