"An easy Salisbury Steak recipe! Juicy patties seared for flavor and smothered in a mushroom and onion sauce to finish cooking. Classic comfort food. Your whole family is going to love this recipe! ..."
INGREDIENTS
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1/2 cup milk ((not fat free))
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7 tablespoons instant potato flakes ((not granules))
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1 pound 90/10 lean ground beef
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Salt and freshly ground black pepper
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4 tablespoons butter (divided)
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1 medium onion (halved and thinly sliced)
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1 pound white button mushrooms (thinly sliced)
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1 tablespoon tomato paste
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2 tablespoons flour
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1 3/4 cups beef broth
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1/4 cup ruby port (or tawny port or dry sherry)