Mix sourdough discard, milk powder, malted butter, cocoa powder, instant coffee and sweetened condensed milk in a bowl or the container. Whisk it to combine.

Pour the mixed on the mat baking, spread it over. Sprinkle almond sliced. Bake it at 160 degrees celsius for 15-20 minutes or until golden brown. Remove from the oven leave it to completely cool. Break in and put in the container.