Easiest Ever Beef Stroganoff

Steps

• 1

  Cut beef across grain into strips about 1 1/2x1/4 inch.
• 2

  In 12-inch skillet, melt butter over medium heat. Add mushrooms; cook, stirring occasionally, until mushrooms are tender; remove from skillet.
• 3

  In same skillet, cook beef until brown. Stir in milk, sherry, cooked mushrooms, uncooked pasta and sauce mix (from Hamburger Helper box). Heat to boiling, stirring occasionally. Reduce heat; cover and simmer about 10 minutes, stirring occasionally, until pasta is tender.
• 4

  Remove from heat; stir in sour cream. Let stand 5 minutes (sauce will thicken as it stands). Sprinkle with parsley just before serving.