Pizza moelleuse au saumon / pizza norvégienne

Ingredients for 2 pizzas: 1 glass of warm milk (160ml) 1 glass of warm water (160ml) 1 tsp sugar 1 tbsp yeast (5g) 1/4 cup oil (40ml) 4 cups flour (440g) 1 tsp salt 20cl light heavy cream 200g smoked salmon mozzarella grated 3-cheese cheese salt, pepper, dill