Layer it rather than mixing it, and salt each layer as it goes down — seasoning only the top of a bake seasons only the top of a bake. The cream goes on for the last twenty minutes; an hour in the oven and it splits.
It did not make it into the plan for these seven days.
The method above is what decides the dish, not a step-by-step recipe. The link runs a web search on the name: this page has no vetted sources of its own, and will not invent any.