Step 1

Preheat the oven to 430°F (220°C), grill function.

Step 2

Fry the slab for 2 minutes, add the meat and fry on high heat for a few minutes. It shouldn’t release any water, but if it does, fry it until all of it evaporates.

Step 3

Put the meat in and individual oven dish.

Step 4

Peel and cut the celery into small cubes. Cook in water until soft. Discard water. Add salt and the marrow and blend until smooth.

Step 5

Spoon the mash over the meat.

Step 6

Bake for about 20-25 minutes, until golden. Enjoy!