Portabella Port Sauce for Steak

• 2 tablespoons butter
• 14 lb portabella mushroom, thinly sliced
• 12 cup port wine
• 2 tablespoons sour cream
• 12 teaspoon cornstarch
• salt, to taste
• ground black pepper, to taste

1. Heat butter in a large heavy skillet over medium-high heat.
2. Saute mushrooms until soft and lightly browned, about 2 minutes.
3. Stir in port wine, and let simmer for 2 minutes; remove from heat.
4. In a small bowl, mix together sour cream and cornstarch until smooth.
5. Stir into mushroom mixture.
6. Return to heat, and stir until thickened and smooth.
7. Season to taste with salt and pepper.

butter, portabella mushroom, port wine, sour cream, cornstarch, salt, ground black pepper

Taken from www.food.com/recipe/portabella-port-sauce-for-steak-332892 (may not work)