Prepare brownies according to package or recipe directions. Once the brownies are baked and cooled, cut up into small, bite-sized pieces.
Prepare chocolate pudding according to directions.
Crush the Heath candy bars into small, bite-sized pieces.
Spoon about a third of your pudding into a trifle dish.
Add a layer of brownie pieces.
Sprinkle on some of the crushed Heath.
Drizzle on some caramel sauce.
Top with about half of the cool whip.
Repeat all layers.
Keep in the refrigerator until ready to serve.
This should not be assembled more than an a few before it will be served to avoid the brownies getting soggy. You can prepare the pudding and brownies the night before and store in airtight containers, then it will only take a few minutes to assemble the next day.