Peel your celeriac and cut it into inch wide slices.
Step 3.
Place your slices on a baking tray and season liberally with salt and pepper. Drizzle with olive oil, then roast for 30 mins.
Step 4.
Finely dice your peppers. Finely chop your capers and parsley. Add to a bowl, then add your sherry vinegar and 3 tbsp olive oil and mix to combine. Season to taste with salt and pepper. Set aside.
Step 5.
Top the steaks with ‘nduja and grated cheese, then bake for 5 mins to melt the cheese. Once they're golden brown, take the cheesy steaks out and drape them with your salsa.