Hawaiian Ham and Cheese Sliders

By Susan Gee

4.83 / 5

15min

35min

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cooking spray (such as Crisco®)
½ cup butter
1 onion minced
3 tablespoons Dijon mustard
1 tablespoon poppy seeds
2 teaspoons Worcestershire sauce or more to taste
1 (12 count) package Hawaiian sweet rolls split, or more as needed
1 pound sliced deli ham or more as needed
8 slices Swiss cheese or more as needed