"Don't heat up the whole house for baked beans, slow cook them with this extra-easy version of everyone's favorite summer side dish...."
INGREDIENTS
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3 cans (28 ounces each) vegetarian baked beans, drained
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1 medium onion, chopped (1/2 cup)
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2/3 cup barbecue sauce
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1/2 cup packed brown sugar
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2 tablespoons ground mustard