Divide the cauliflower into small florets and cook in salted boiling water for 4 minutes, drain, rinse in cold water and drain well. Peel and wash the potatoes and slice them into fine slices. Preheat the oven to 180 degrees.

Rub a gratin dish with the halved clove of garlic, then brush with 2 teaspoons of oil. Put in the potato slices all around and tile-like, season with pepper and salt and spread the drained cauliflower over it.

Sprinkle on the cooked ham cubes; Grate some nutmeg on top and place the remaining potato slices on top; pepper and salt again. Pour the cream evenly over it, sprinkle about half of the grated cheese on top and bake the casserole in the oven for a total of 55 minutes. 15 minutes before the end of the cooking time, sprinkle the remaining cheese on top and finish baking.

I served this casserole with a gently cooked roast beef ** - it went very well together.

** Roast beef - tender and juicy ...