mini baked ham sandwiches

1 stick butter
2 tbsp poppy seeds
1 small onion, diced finely (1/3 cup)
1 tbsp Worcestershire sauce
2 tbsp dijon mustard
24 packages potato roll sliders
1/2 lb deli sliced honey baked ham
5 oz swiss cheese slices
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Preheat your oven to 350. Lightly grease a cookie sheet or baking sheet and set aside.
Mix together your sauce by melting the butter, add remaining ingredients.
Spread 1-2 tbsp of mixture on each roll. Add ham and swiss.
Bake 12-15 minutes or until cheese is melted and rolls are golden.
Servings: 12