Meatballs

Ingredients

• 2 small onions, finely chopped
• 2 tablespoons butter
• 1½ kg beef
• ½ cup trimmed dried bread
• 2 teaspoons salt
• ½ cup milk
• ¼ teaspoon pepper
• 1 egg, finely chopped parsley
• olive oil
• 4 tablespoons white wine