Keith Richard's Shepherd's Pie

Place potatoes in a large saucepan.

Cover with water and bring to a boil.

Reduce heat , simmer until tender.

Drain.

Using an electric mixer or whisk , mash potatoes with butter.

Season with salt and pepper and set aside.

Heat a large skillet.

Add beef and onions.

Season with salt and pepper.

Add carrots and stock.

Mix in cornstarch and cook for 10 minutes.

Pour into a pie dish and top with mashed potatoes.

Place under grill until potatoes begin to turn brown.

potatoes, butter, salt and pepper, onions, ground beef, carrots, beef stock, cornstarch