Shepherd's Pie VI

INGREDIENTS

• 4 large potatoes, peeled and cubed
• 1 tablespoon butter
• 1 tablespoon finely chopped onion
• 1/4 cup shredded Cheddar cheese
• salt and pepper to taste
• 5 carrots, chopped
• 1 tablespoon vegetable oil
• 1 onion, chopped
• 1 pound lean ground beef
• 2 tablespoons all-purpose flour
• 1 tablespoon ketchup
• 3/4 cup beef broth