In a medium to large skillet over medium heat, add your olive oil, diced onion and bell pepper. Cook and stir for about 5 minutes.
If your cauliflower rice is frozen, cook in your microwave until cooked through. Add to the skillet and cook for at least 10 minutes. Add water or broth as needed.
Once the cauliflower is softened, add the seasoning. Cook and stir.
Add the salsa and tomato paste. Stir and cook for a few minutes.
Taste and adjust. If there is still cauliflower taste or chewiness, keep cooking. Add more broth or water aa needed. Add more seasoning if needed.
Serve with desired toppings.