Pittsburgh Ham Barbecues

Ingredients

• 0.5 cups unsalted butter
• 1 small onion , finely chopped
• 2 cups ketchup
• 0.5 cups water
• 0.33 cups distilled white vinegar
• 3 tablespoons brown sugar
• 2 tablespoons Worcestershire sauce
• 2 teaspoons prepared yellow mustard
• 1.5 pounds chipped chopped ham
• 8 kaisers rolls , split
• 1 cup pickle relish , Optional

Instructions

1. 1

   Preheat the oven to 275 degrees F (135 degrees C).

2. 2

   Melt butter in a large skillet over medium-high heat. Add onion; cook and stir until translucent, about 5 minutes. Stir in ketchup, water, vinegar, brown sugar, Worcestershire sauce, and mustard; simmer about 10 minutes. Stir in ham; cook until sauce is bubbling and ham is heated through, 5 to 7 minutes.

3. 3

   Meanwhile, heat kaiser rolls in the preheated oven until toasted, 5 to 7 minutes.

4. 4

   Divide ham mixture among toasted rolls; top with pickle relish. Serve hot.