| Lay steaks on a flat surface. Spread each with mustard; sprinkle with salt and pepper. |
| Divide pickles, salt pork (or bacon), and onion among the steaks. |
| Roll up steaks jelly-roll fashion; secure with beef-roll clamps, toothpicks or thread. |
| Heat oil in a heavy saucepan, add the steak rolls, and brown well on all sides, about 15 minutes. |
| Pour in hot beef broth, peppercorns and bay leaf. |
| Cover and simmer for 1 hour and 20 minutes. |
| Remove beef rolls, discard clamps and arrange on a pre-heated platter |
| Blend cornstarch with a small amount of cold water, stir into gravy, and bring to a boil, until thick and bubbly. |
| Correct seasonings and serve separately. |
| Makes 4 servings.
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