1 lb Very lean ground beef
2    Egg whites
1/4 c  Finely chopped onions
1/4 c  Grated carrots
3 oz Grated unpeeled potatoes
2 tb Ketchup
1/4 ts Dried thyme^
Salt and pepper to taste

Preheat oven to 350. Combine all ingredients, shape into a loaf and place
on a rack in a shallow baking pan. Bake, uncovered, 1 hour.