Herb-Crusted Sirloin Tip Roast W/ Creamy Horseradish-Chive Sauce

Name: Herb-Crusted Sirloin Tip Roast W/ Creamy Horseradish-Chive Sauce
Prep time: 1 h 25 min
Cook time: 1 h 25 min
Total time: 1 h 25 min
Yield: 6
Cuisine: Global
Ingredients: 1 Tbsp snipped fresh chives; 1 Tbsp minced fresh parsley; 1 garlic clove, minced; 118 milliliters prepared horseradish; 2 Tbsps milk; 1 teaspoons cracked black pepper; 907 grams center sirloin tip roast; 6 servings salt; 237 milliliters sour cream; 1 teaspoon dried thyme leaves, crushed; 1 teaspoon vegetable oil; 0 teaspoons white pepper