# What You'll Need:
→ Vegetables
01 - 14 ounces cauliflower florets, cut into bite-size pieces
02 - 8 ounces mushrooms, sliced
03 - 1 green bell pepper, cut into bite-size pieces
→ Meats
04 - 2 pounds Italian sausage, casings removed if necessary
05 - 2.5 ounces pepperoni slices, 10 slices reserved for topping
→ Cheeses
06 - 12 ounces mozzarella cheese, shredded, divided
07 - 1/4 cup Parmesan cheese, grated or powdered
→ Sauces and Oils
08 - 1.5 cups low-carb pasta sauce or marinara
09 - 1 tablespoon olive oil
→ Seasonings
10 - 1 teaspoon Italian seasoning
# Directions:
01 - Place cauliflower florets in a large microwave-safe bowl with 1 cup of water. Cover with a damp paper towel and microwave on high for about 3 minutes until just tender. Do not overcook. Drain well and pat dry with paper towels. Set aside.
02 - Preheat oven to 400 degrees Fahrenheit.
03 - In a large skillet over medium-high heat, cook the sausage, breaking it up with a wooden spoon, until browned and cooked through, about 15 minutes. Drain excess fat and set aside.
04 - In the same skillet, add olive oil and sauté mushrooms over medium-high heat for 8 to 10 minutes until they release and evaporate their moisture. Set aside.
05 - Spray a 13 by 9 inch casserole dish with non-stick spray, then spread 1/2 cup of pasta sauce over the bottom.
06 - In a large mixing bowl, combine steamed cauliflower, cooked sausage, sautéed mushrooms, and green bell pepper. Toss until well mixed.
07 - Layer half of the mixture into the prepared casserole dish. Top with 1/2 cup pasta sauce, half of the pepperoni slices, pressing some between layers, and 6 ounces of shredded mozzarella cheese.
08 - Layer the remaining vegetable and meat mixture over the cheese. Top with the remaining 1/2 cup pasta sauce, most of the remaining pepperoni, reserving 10 slices for topping, and the remaining 6 ounces mozzarella cheese.
09 - In a small bowl, mix together Parmesan cheese and Italian seasoning.
10 - Sprinkle the Parmesan mixture evenly over the casserole and top with the reserved 10 slices of pepperoni.
11 - Bake in the preheated oven for 30 minutes, or until the casserole is bubbling and the cheese is golden and melted.
12 - Allow to stand for 5 minutes before serving.