Mix the cinnamon, nutmeg, cloves, and cardamom into the brownie mix. Then mix in the other wet ingredients called for in the mix you are using (i.e. the eggs, oil, and or water) and the vanilla. Bake according to the box directions. When the brownies have finished cooking, let cool on the counter for a few minutes and then refrigerate for a half hour.

Combine the rum extract, vanilla extract, milk, butter, and powdered sugar. Pour it over the cooled brownies. Refrigerate for another half hour.

In a large bowl combine the butter and the chocolate chips. Microwave for 1 minute on half power, stir, then microwave again at 30 second intervals stirring in between until fully melted. Pour over creme layer. Refrigerate until set, at least a half hour.

For best results store covered in the refrigerator.