Beef and Potatoes with Rosemary

Ingredients

• 1 pound baby red potatoes -- cut into fourths
• 1 cup baby carrots
• 3 pounds boneless chuck roast
• 1 1/2 teaspoons rosemary
• 1/2 teaspoon thyme
• 1 teaspoon salt
• 1/2 teaspoon pepper
• 3 tablespoons dijon mustard
• 1 small onion -- finely chopped
• 1 1/2 cups beef broth