Halve and peel <quantity>4</quantity> small onions

Roughly chop <quantity>5</quantity> celery stalks and add to a large pot along with the onions

Add <quantity>2½<unit>tbsp</unit></quantity> of coriander seeds and <quantity>2½<unit>tbsp</unit></quantity> of black peppercorns to the pot

Add <quantity>4</quantity> dried bay leaves and <quantity>2</quantity> pieces star anise

Add <quantity>1</quantity> beef tongue and just barely cover with water

Place on the stove over medium-low heat, put the lid on, and simmer for 6h until tender

Allow to cool slightly, transfer the tongue to a baking dish, and peel off the skin with your hands. The beef tongue is cooked

Cut the tongue in half and trim off any excess fat and skin from the thicker half. Reserve the thinner half for other preparations

Cut the tongue into <quantity>3</quantity> thick slices lengthwise. Cut the slices in half lengthwise again to create <quantity>6</quantity> portions

Add <quantity>1<unit>tbsp</unit></quantity> of butter to a skillet over medium heat. Sear the beef tongue until deep brown on all sides. The pan-seared beef tongue is ready

Enjoy! This can be either the center or side to any meal!