""It tried for years to make a cheesesteak as good as the take our sub shops of Southeastern Massachusetts. I think these are about as close as you can come at home. Freezing the steak the day before makes it easy to cut into very thin slices."..."
INGREDIENTS
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2 tablespoons butter
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1/4 medium onion, sliced
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4 large fresh mushrooms, sliced
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1/4 green bell pepper, sliced into long strips
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1 (1/2 pound) well-marbled beef steak of any type, sliced as thinly as possible