In a large bowl, add the cubes of tuna or salmon, horseradish, ginger, half scallions, sesame oil, and soy sauce, then mix well.
Add the salt and pepper to taste, then set it aside. You can marinate the salmon an hour or two before you plan to assemble and enjoy the low-carb poke bowls.
Open the It's Skinny Rice, drain, and rinse under warm water.
Pour the It's Skinny Rice into a bowl, add the tuna or salmon, and mix well.
Combine the mayonnaise with the sriracha and lime juice in a separate bowl.
Assemble the bowls with the tuna or salmon rice mix.
Top each bowl with avocado, radish, carrot, and cabbage.
Add the spicy mayonnaise.
Top with sesame seeds and the remaining scallions.
