Sirloin Tips

    2 1/2 lbs sirloin tip steaks, cubed
    2 tablespoons butter
    1 tablespoon oil
    3 cups sliced fresh mushrooms
    2 garlic cloves, crushed
    2/3 cup beef broth
    1/4 cup wine vinegar
    1 1/2 teaspoons soy sauce
    1 teaspoon Dijon mustard
    2 teaspoons cornstarch
    1/2 cup whipping cream
    Brown the meat in butter and oil in a lg skillet.
    Place in a 2qt baking dish.
    In the skillet, saute mushrooms and garlic for 2 minutes.
    Pour all over meat.
    Cover and bake at 325* for 1-1/2 hour or until tender.
    In skillet, mix broth, vinegar, and soy sauce; bring to a boil.
    Boil for 2 minutes
    Mix mustard, cornstarch and cream, stir into broth mixture.
    Bring to a boil; boil for 1 minute, stirring constantly.
    Drain juices that have accumulated around the beef into broth mixture.
    Cook on med heat, stirring, until bubbly.
    Add the meat, mix well.