Beef Stroganoff - cooking recipe

Ingredients

3/4 lb. lean boneless beef (flank steak, chuck or top round)
pepper
3 Tbsp. butter or margarine
1 Tbsp. salad oil
1 small onion, finely chopped
1/4 lb. mushrooms, sliced
1 1/2 Tbsp. all-purpose flour
1/2 c. regular strength beef broth
1/2 Tbsp. Dijon mustard
1/8 tsp. ground nutmeg
1/4 c. whipping cream
salt
hot, cooked, buttered noodles
chopped parsley

Preparation

Cut beef across the grain into 1/8 to 1/4-inch thick slanting slices about 3 inches long.
Sprinkle generously with pepper. Melt 1 tablespoon of the butter with oil in a wide frying pan over high heat.
Add beef and cook until just browned on all sides (about 1 1/2 minutes total).
Remove beef and set aside.
Reduce heat to medium.