1 1/2 lbs beef sirloin, cut in pieces
1/2 cup onion, chopped
1 (10 ounce) cream of mushroom soup
1 tablespoon Worcestershire sauce
1/4 cup water
1/4 cup sour cream
salt and pepper
How to make it :
Brown beef tips in vegetable oil and place in crock pot. In same saucepan, sautee onions and place on top of beef tips.
Add mushroom soup, worcestershire sauce and water to same saucepan. Heat and stir to mix. Add to crock pot.
Turn crock pot to high for 1 hour and turn to low for 4 to 5 hours. Add sour cream during last 15 minutes and stir.
Note: Cream of mushroom soup will add some salty flavor. At end of cook time do a taste test and if too salty, add about 3-4 tablespoons of water which will dilute saltiness.