3 c. beef broth or 3 c. water in beef pan drippings
3 c. more or less sliced mushrooms
3 tbsp. flour
Salt and pepper to taste
2 tbsp. butter

In a frying pan, melt butter and add mushrooms. Stir and fry until juices have evaporated. Add the broth or pan drippings and water. Bring to a boil. Stir the flour into 1/2 cup of water and blend until smooth. Add to mushroom mixture and stir until thickened. Serve over steak and/or potatoes.