Prepare riced cauliflower according to package instructions. Chill.
Whisk oil, lemon juice, basil and red pepper flakes together in a bowl. Cover and refrigerate.
In a medium-sized bowl, add cauliflower, tomatoes and cheese. Add prepared dressing, season with salt and pepper. Toss gently until all ingredients are combined. Cover and refrigerate for at least 30 minutes for flavor to develop.
