Beef Stroganoff - cooking recipe

Ingredients

3 Tbsp. butter or margarine
1/2 c. chopped onion
1 lb. boneless steak, cut into thin strips
1 c. sliced fresh mushrooms
big pinch of whole thyme leaves
1/2 tsp. salt
1/4 tsp. pepper
beef broth
2 Tbsp. flour
1/2 to 1 c. sour cream or yogurt

Preparation

Combine butter and onion in a 13 x 9 x 2-inch oblong baking dish.
Microwave, uncovered, at power level High for 4 to 5 minutes or until onion is fairly soft, stirring once.
Add beef, mushrooms and seasonings.
Microwave, uncovered, at power level High for 9 to 10 minutes, or until beef is cooked, stirring twice.