2 pans Pepperidge Farm party rolls
1 stick butter, softened or melted
1 1/2 tbsp. poppy seed
1 1/2 tbsp. prepared mustard
1/2 c. mayonnaise
1/4 c. or 1 medium onion, chopped
1 tbsp. Worcestershire sauce
2 cans chopped ham, shredded
1/2 lb. Swiss cheese, shredded

Leaving rolls together, slice through the middle of all. Combine the next 6 ingredients and spread the top and bottom of rolls with the mixture. Spread the rolls with a layer of meat, then cheese. Place back in pan; cover with foil and heat in a 350°F oven.