Cut the broccoli head into small florets and put in boiling water for 5 min.
In this time mix the cream with the eggs, 50 g of the cheese, a pinch of nutmeg, some freshly ground pepper, the chopped garlic and a pinch of salt. In a small bowl mix the flour with 3-4 spoons of water of water. Start with just one spoon of water and continue adding water spoon by spoon until smooth and then add to the cream mixture.
When the potatoes are cooked cut in slices and put in the casserole and add the broccoli. Pour the cream and cheese mix on top and put in the oven for 20-25 minutes 200 C° degrees .
Top up the gratin with the last 50 g of cheese and bake until cheese is melted and has a light golden brown color. In the last 5 Minutes of the cooking time add the almonds to add a nice nutty crunch.