Make fries per package instructions.
Add the beef to a skillet, brown and break apart
Add chilli powder to the beef with 1/4 cup of water, mix and continue to cook til liquid is gone.
In a small bowl whisk together mayo, ketchup, relish. Taste and adjust flavour with salt and pepper if you want.
Place fries in a bowl, add beef, rip up cheese slices and layer on beef. Add sauce. Microwave 20 seconds to melt the cheese.