Slow cooker: stroganoff

900 g of top round steak, thinly sliced across the grain
1 sliced medium onion
450 g of fresh sliced mushrooms
¼ teaspoon of thyme
½ teaspoon garlic salt
¾ teaspoon of dry mustard
¾ cup of beef stock/ broth
¾ cup of dry sherry

Add at the end
1 ½ cups of sour cream
½ cup of flour

Place all initial ingredients in the slow cooker, mix well and cook on low heat for 7 hours. Finally, mix in 1 ½ cups of sour cream ½ cup of flour and heat on for 40 minutes on high. Serve over rice or pasta

Serves 6