1 (2 pound) loaf prepared sharp filet
1 clove garlic, grated
1 tablespoon Worcestershire sauce
1 tablespoon freshly squeezed lemon juice
1/2 teaspoon salt
1 teaspoon Worcestershire sauce
1 egg
2 pounds lean beef loin roast
2 tablespoons heavy cream
1 tablespoon white sugar
10 potatoes, peeled and cubed