INGREDIENTS
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Ingredients
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1 medium onion, halved and thinly sliced
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1 tablespoon butter
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1 pound smoked kielbasa or Polish sausage, cut into 1/4-inch slices
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1 cup ketchup
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1/3 to 1/2 cup packed brown sugar
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2 tablespoons Worcestershire sauce
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Hot cooked rice, optional