Beef Stroganov (sauteed Beef In Sour-cream Sauce)

Total Time: 1 hr Preparation Time: 20 mins Cook Time: 40 mins

Ingredients

• Servings: 6
• 1 tablespoon mustard powder
• 1 tablespoon sugar
• 2 teaspoons salt
• 4 -5 tablespoons vegetable oil
• 4 cups onions, thinly sliced and separated into rings
• 1 lb fresh mushrooms, thinly sliced lengthwise
• 2 lbs filet of beef, trimmed of all fat
• 1 teaspoon fresh ground black pepper
• 1 pint sour cream

Recipe

• 1 in a small bowl combine the mustard, 1 1/2 tsp of the sugar, a pinch of the salt and enough hot water (about a tablespoon) to form a thick paste.
• 2 let the mustard rest at room temperature for about 15 minutes.
• 3 heat 2 tbsp of the oil in a heavy 10" to 12" skillet over high heat until a light haze forms above it.
• 4 drop in the mushrooms and onions, cover the pan, and reduce to low heat.
• 5 stirring from time to time, simmer 20-30 minutes, or until vegetables are soft.
• 6 drain them in a sieve, discard the liquid and return the mixture to the skillet.
• 7 with a large, sharp knife cut the fillet across the grain into 1/4" wide rounds.
• 8 lay each round on a board and slice them into 1/4" wide strips.
• 9 heat 2 tbsp of oil in another heavy 10" to 12" skillet over high heat until very hot, but not smoking.
• 10 drop in half of the meat and, tossing the meat constantly with a large spoon, fry for 2 minutes or so until the meat is lightly browned.
• 11 with a slotted spoon transfer the meat to the vegetables in the other skillet, and fry the remaining meat the same way, adding more oil if needed.
• 12 when all the meat has been combined with the vegetables, stir in the remaining salt, pepper and mustard paste.
• 13 stir in the sour cream, a tablespoon at a time, then add the remaining 1/2 tsp of sugar and reduce to low heat.
• 14 cover the pan and simmer 2-3 minutes, or until the sauce is heat through.
• 15 taste for seasoning.
• 16 to serve, transfer to a heated serving platter, and if you like, scatter straw potatoes over the top.