Delicious creamy chocolate cake

Base:
1 egg 1 and 1/2 cup oatmeal
3 tablespoons of butter
3 tablespoons demerara sugar
Chocolate cream:
300 grams of chocolate 60% cocoa
300 grams of cream
Preparation method:
Base: Mix all the ingredients with your hands until they no longer stick to your hands, arrange this dough in the form of a removable bottom on the bottom and sides, bake in a preheated oven at 180 degrees for 15 minutes.
Chocolate Cream: In a blender or processor add the chocolate and reserve. In a saucepan over low heat, brown the cream and add the chocolate. Beat well until smooth, about 2 minutes. Place on top of the cake and refrigerate for 30 minutes