Following direction on riced cauliflower, steam bag & then wring out all excess moisture by placing cauliflower in a clean kitchen towel. 

In a large mixing bowl, combine egg, mozzarella, salt, garlic powder, Italian seasoning and arrowroot flour. Add in cauliflower and mix well. 

Line a perforated pizza pan with parchment paper and scoop cauliflower mixture, using a tbsp, onto paper. Using hands, flatten each tbsp of mixture into a disc. 

Bake pizza bites at 400 degrees for 20 minutes, removing after 10 minutes to flatten each pizza crust down with the back of a spatula. 

Remove from oven and top pizzas with 1 tsp of marinara, your favorite toppings and 1 tsp of parmesan/mozzarella cheese blend. 

Bake for 5 minutes more till cheese is melted. 

Remove and serve immediately.