As a time saver I use frozen cauliflower rice from the grocery store. Prepare it according to the instructions given and then set aside. If you cannot use frozen cauliflower rice, then follow the instructions here to create cauliflower rice.
Mix together the olive oil and lemon juice in a small bowl or cup. Set aside.
Add all of the ingredients to a mixing bowl and gently toss together using a spatula. Pour in the olive oil and lemon juice. Toss, then season to taste with sea salt & pepper.