INGREDIENTS
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1 2½- to 3-pound pork sirloin roast
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Salt and pepper to taste
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1 tablespoon cooking oil
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2 medium onions, cut into thin wedges
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1 cup root beer*
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6 cloves garlic, minced
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Sauce ingredients:
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3 cups root beer*
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1 cup tomato sauce
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¼ cup brown sugar
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2 tablespoons vinegar
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¼ teaspoon cinnamon
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1 dash ground cloves
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1 dash allspice
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8 to 10 hamburger buns, split (toasted, if desired)
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Lettuce leaves and tomato slices (optional)