Shepherd’S Pie Bake

Ingredients

• 6 medium potatoes
• 1 pound carrots, cut into 1/4-inch slices
• 1-1/2 pounds lean ground beef (90% lean)
• 1 large onion, chopped
• 1 jar (12 ounces) fat-free beef gravy
• 1 teaspoon salt, divided
• 1/2 teaspoon rubbed sage
• 1/2 teaspoon dried thyme
• 1/4 teaspoon dried rosemary, crushed
• 1/4 teaspoon pepper
• 1/3 cup fat-free milk
• 1 tablespoon butter
• 2 tablespoons shredded Parmesan cheese