Slow Cooker Texas Pulled Pork
Ingredients:
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1 teaspoon vegetable oil
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1 (4 pound) pork shoulder roast
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1 cup barbeque sauce
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½ cup apple cider vinegar
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½ cup chicken broth
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¼ cup light brown sugar
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1 tablespoon prepared yellow mustard
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1 tablespoon Worcestershire sauce
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1 tablespoon chili powder
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1 extra large onion, chopped
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2 large cloves garlic, crushed
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1 ½ teaspoons dried thyme
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8 hamburger buns, split
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2 tablespoons butter, or as needed