Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  pound         ground beef
     1/2  pound         ground lamb
     1/2  cup           onion
   1      rib           celery
     1/2  cup           chopped mushrooms
   2                    garlic cloves
   3      tablespoons   minced parsley
   1      teaspoon      worcestershire sauce
                        salt and black pepper
   8      ounces        mushrooms
   1      pint          sour cream
                        chopped parsley

Preparation:

Mix together in large bowl, beef, lamb, 1/4 cup minced onion, celery, chopped mushrooms, 1/2 garlic, parsley, Worcestershire sauce, salt and pepper. With hands blend well. Shape mixture into small, 1-inch balls. In large frying pan over medium-high heat, saute meatballs about 5 minutes. Drain fat off. Add olive oil, slice mushrooms, remaining onions and garlic up. Saute 3 minutes. Stir in sour cream. Reduce heat and simmer until heated. Add meatballs back to pan and toss to coat. Serve over noodles or rice. Approximately 8-10 minutes.