INGREDIENTS
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1 tablespoon butter
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1 tablespoon olive oil
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1 yellow onion, chopped
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3 cloves garlic, minced
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1 (24 ounce jar) Bertolli Reserva Balsamic Vinegar and Caramelized Onions Sauce
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3 1/4 cups chicken broth
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1 teaspoon crushed red pepper flakes
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1 pound linguine, broken in half
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2 pounds shrimp, peeled and deveined.
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optional - parsley to garnish