Maple Dark Chocolate Cake - Maple from Canada

Ingredients

• 1/4 cup unsalted butter, melted
• 1 1/3 cup chocolate cookie crumbles
• 2/3 cup chopped walnuts
• 1 cup 35% whipping cream
• 8 oz dark (semi-bitter) chocolate, finely chopped
• 2 tbsps hot or cold coffee
• 3/4 cup maple syrup (preferably very dark syrup for its strong flavor)
• 1 cup milk
• 1 1/4 cup 35% whipping cream
• 2 packets of flavourless gelatine
• 1/2 cup cold water