Soufflé Harriet, au chocolat

• 2 tablespoons (30 g) unsalted butter
• 3 tablespoons all-purpose flour<

Butter the baking dish well. In a medium-sized saucepan melt the butter, then whisk in the flour and stir over medium heat for a minute or two to cook the flour. Off heat whisk in the cold milk, all at once. Return the pan to the heat and bring the sauce to a simmer, whisking gently until it thickens and is smooth.

Place the chocolate, coffee granules, and water in another larger, heavy