Rolladen - cooking recipe

Ingredients

1 lb beef (in four thin slices)
prepared mustard
salt
pepper
2 slices bacon, chopped
1 small onion, peeled and chopped
2 tablespoons cooking oil
2 cups water
1 -2 teaspoon cornstarch
1 tablespoon water

Preparation

Spread the beef slices lightly with the prepared mustard. Season with salt and pepper.
Mix together the onion and bacon. Spread 1/4 of this mix on each slice of beef.
Starting at the short end, roll each slice up and secure with a skewer or tie with thread.
Heat the oil and brown the rolls well on all sides.
Carefully pour in 1 cup of boiling water. Cover and simmer slowly for 2 to 2 1/2 hours, adding additional water as it cooks away.
Mix the cornstarch with 1 T cold water and thicken the sauce. (the larger amount of cornstarch will result in a thicker sauce).
Season to taste and serve.