In a 9x13 inch glass casserole dish, toss the cauliflower with olive oil, sea salt, and black pepper. Arrange evenly in a single layer and roast in the oven for about 25 minutes, until browned
Pour the marinara sauce over the cauliflower. Sprinkle with shredded cheese. Place pepperoni slices over the cheese. Sprinkle bacon bits on top.
Place casserole back in the oven for about 10 minutes, until the cheese is melted and golden.
Notes
Inspired by Wholesome Yum - https://www.wholesomeyum.com/recipes/keto-low-carb-pizza-casserole-recipe-easy/