Follow the steps in order for the best result.
In a mixing bowl, thoroughly combine the granulated sugar, unsweetened cocoa powder, cinnamon, and ground cardamom.
For an ultra-fine and well-blended mixture, pulse the ingredients in a food processor until the mixture achieves your desired consistency. This step is optional but recommended for best results.
Transfer the chocolate cinnamon mixture to an airtight container for storage. This will keep the topping fresh and prevent clumping.
To serve, generously sprinkle the chocolate cinnamon topping over freshly buttered toast. Enjoy the delightful combination of warm toast, creamy butter, and sweet spice!