Place ½ cup of the sauce on the bottom of a 9 by 13 baking dish.
Spread the cauliflower mixture on top of the sauce as evenly as possible.
Place 4 ounces of cheddar over the cauliflower rice.
Spread the ground beef over the cheddar evenly.
Pour half of the remaining sauce over the beef.
Place the remaining cheddar over the sauce.
Pour the remaining sauce over the top and sprinkle with chopped bacon.
Cover and bake 30 minutes.
Uncover and bake an additional 5 minutes.
Allow to cool out of the oven for 15-20 minutes before slicing and serving.