Preheat oven to 375F and coat a 8x8 baking dish with avocado oil or coocnut oil.
Heat the coconut or avocado oil in a large skillet over medium heat. Saute the diced onion and bell pepper for 5 minutes. Add riced cauliflower, tomatoes, and garlic. Continue to saute unil cooked (about 5 more minutes). Season with additional sea salt, if desired.
Transfer the sauteed mix to the prepared baking dish and set aside.
Cook ground beef in the large skillet until cooked through. Season with garlic powder, sea salt, black pepper, cumin, and smoked paprika. Add the cooked beef to the skillet.
Bake for 10 minutes. Remove from oven and let cool slightly. Top with chopped romaine, avocado, jalapenos, and parsley.
If you are not following a dairy free or grain free diet, you can serve with shredded cheese, sour cream, or tortilla chips!