INGREDIENTS
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ground beef (1/2 pound)
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panko (~ 1/3 cup)
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onion finely minced (~1/3 cup)
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1 teaspoon oyster sauce
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1 teaspoon Worcestershire sauce
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1/4 teaspoon black pepper
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2 teaspoons vegetable oil
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button mushrooms (5 small mushrooms)
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2 tablespoons butter
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2 tablespoons all-purpose flour
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1 cup beef stock
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1/2 tablespoons soy sauce
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1 teaspoons bourbon
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2 large eggs