Tasty appetizer with beetroot

Try to cook this fish appetizer with vegetables. You'll be amazed with its savory and piquant taste. Ingredients: 300 g (0,66 lb) pike fillet 1 little beetroot 100 g (0,22 lb) brown bread 100 g (0,22 lb) cream (23%) 1 little piece of horseradish route 16 black peppercorns a pinch...