Beef Stroganoff

Ingredients

• 1 12 lbs sirloin, pounded and cut in strips
• 2 tablespoons salt
• 1 tablespoon pepper
• 1 tablespoon garlic powder
• 14 cup flour
• 2 tablespoons olive oil
• 2 tablespoons butter
• 2 tablespoons white wine
• 1 medium onion, sliced lengthwise
• 8 ounces fresh mushrooms, sliced
• 2 teaspoons Dijon mustard
• 1 (10 ounce) can beef broth
• 1 cup heavy cream
• 1 cup sour cream
• 1 (16 ounce) bag egg noodles