Jerusalem Artichokes.

Anne's Food: Roasted Jerusalem Artichokes
Roasted Jerusalem Artichokes.

Peel the chokes and cut them into smaller pieces - halves if they're small, quartered lengthwise for larger.
Place in an oven-proof dish and drizzle with olive oil.
Sprinkle with a good pinch of sea salt and toss.
Roast at 175°C for 30-40 minutes (with garlic).

https://www.abelandcole.co.uk/recipes/jerusalem-artichoke-recipes
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http://www.katesvegancooking.co.uk/2021/02/13/jerusalem-artichoke-and-lentil-soup-recipe/