Garlic and Tri-Pepper-Crusted Beef Roast with Balsamic Sauce

Ingredients

• 1 boneless beef chuck eye (America's) roast, tied if desired (3 to 4 pounds)

Garlic and Tri-Pepper Rub:

• 2 tablespoons coarsely crushed or cracked mixed peppercorns (black, white, green and pink)
• 4 cloves garlic, minced
• 1/2 teaspoon salt

Balsamic Sauce:

• 1 cup balsamic vinegar
• 1/4 cup butter, softened
• 4 teaspoons all-purpose flour
• 1 cup beef broth
• 1/4 teaspoon coarse grind black pepper