Impress the In-laws Roast | Cooking Professionally

Ingredients

• 1 (5-6-pound) standing rib roast, trimmed of excess fat to expose the rib bones
• 2 1/2 tablespoons whole grain mustard
• 1 tablespoon bacon grease
• 1 tablespoon fresh thyme leaves
• 2 cloves garlic, minced
• 1 teaspoon sea salt, plus more to taste
• 1/2 teaspoon cracked black pepper, plus more to taste