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8 filet mignons of approximately 7 oz (200 g) each |
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2 tablespoons vegetable oil |
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2 tablespoons unsalted butter |
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1 large onion, peeled and thinly sliced |
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1 teaspoon garlic, finely chopped |
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1 lb 2 oz (1/2 k) mushrooms, sliced |
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1 – 2 tablespoons paprika |
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1 ½ tablespoons Dijon mustard |
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3 teaspoons Worcestershire sauce |