INGREDIENTS
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2 whole Medium Onions, Halved And Sliced
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1-1/4 stick Butter
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2 pounds Cube Steak, Cut Into 1/2-inch Strips
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1 teaspoon Kosher Salt
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1 teaspoon Black Pepper
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1/4 cup Worcestershire Sauce
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5 dashes Tabasco Sauce
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4 whole Deli Rolls (crusty), Split
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8 slices (thick) Fresh Mozzarella
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8 slices (thick) Ripe Tomato
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1-1/2 cup Arugula