Combine pizza sauce ingredients - Homemade Sugar Free Pizza Sauce, sage, oregano, cayenne, thyme and tarragon. Set aside.
Squeeze riced cauliflower for excess water. Mix riced cauliflower with onion powder, garlic powder, sage, oregano, thyme, cayenne, mustard, cheddar, egg and black pepper.
In a slightly greased pie pan, fill pan with cauliflower mixture and press lightly – like making a pie crust. Bake in a preheated oven of 400°F for 8 to 10 minutes. Reserve ½ to ¾ cup of cauliflower mixture.
In a greased skillet, cook sausages and ham for 1 to 2 minutes. Drain oil in paper towel and set aside.
Spread Homemade Sugar Free Pizza Sauce to cauliflower crust, sprinkle ¾ cup mozzarella cheese, add sausages and ham.
Spread the remaining pizza sauce. Top with the remaining cauliflower mixture and entirely cover with the rest of mozzarella cheese. Then add pepperoni slices.
Bake at 400°F for 15 to 20 minutes or until cheese has melted and slightly golden. Serve immediately.