Title: Pierogi fillings~ meat
 Categories: Polish, Pasta
      Yield: 12 Servings
 
  1 1/2 lb Ground beef or ground beef
           -and pork
      2 lg Onions (finely chopped)
    1/2 lb Butter, divided
           Salt and Pepper to taste
      1 c  Chopped mushrooms (optional
      4 tb Sour cream (optional)
 
    Saute meat in 1/3 of butter till almost fully cooked. (Meat should
  not be overcooked.)  Drain.  Use balance of butter and saute onion
  till crystal clear. Add meat, seasonings and optional ingredients to
  taste. Let mixture cool.