INGREDIENTS
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1 1/2 pounds boneless beef sirloin steak; cut into 1-inch pieces
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1/2 teaspoon salt
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1/4 teaspoon ground black pepper
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2 8 ounce package button and/or cremini mushrooms, quartered
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1 cup chopped onion (1 large)
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3 cloves garlic, minced
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2/3 cup lower-sodium beef broth
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2/3 cup dry white wine
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3 tablespoons Dijon-style mustard
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1 tablespoon snipped fresh thyme or 1 teaspoon dried thyme, crushed
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1 tablespoon butter, softened
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1 tablespoon all-purpose flour
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1 recipe Whole Wheat Bread Planks