Savoury Casseroles

Before starting this Duck Confit Parmentier en Cocotte recipe, make sure you have organised all the necessary ingredients.
Peel the celeriac...
... and cut into regular cubes.
Peel the potatoes and cut into small pieces.
Place the celeriac and potatoes in a saucepan. Add cold water and a generous pinch of coarse salt. Bring to a boil and cook over medium heat for about 20 minutes.
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