Bier Fisch Recipe from Germany: Carp cooked in beer with ginger snaps and spices

Ingredients

• 1 whole carp (2 – 3 lb or 1.36 kg) with head
• 2 tbsp butter
• 1 medium onion, chopped
• 1 celery stalk, chopped
• 1/2 tsp salt
• 6 peppercorns
• 3 whole cloves
• 4 slices lemon
• 1 bay leaf
• 1 bottle beer
• 6 gingersnaps, crushed
• 1 tbsp sugar
• fresh parsley for garnish