Directions

1. To make Onion Marmalade, sauté onions in oil in a large saucepan over medium-low heat 1 houror until very tender, stirring occasionally. Stir in sugar, vinegar, Worcestershire, salt, pepper, andground cloves.
2. Cook over low heat, stirring occasionally 25-30 minutes or until liquid evaporates.Cool completely.
3. Refrigerate in a tightly covered container up to 1 week.
4. To assemble sandwiches, bring onion mixture to room temperature. Place endive or lettuceleaves on bottom halves of toasted rolls. Arrange beef over endive. Spread onion mixture evenlyover beef. Place top halves on rolls. Cut each sandwich in half.