Go Back
+ servings
Close-up view of low-carb Keto pizza casserole served on a white plate.

Low-carb supreme pizza casserole

Tami DeGeeter, CPT, CNC
Our low-carb supreme pizza casserole is a delicious and nutritious twist on a classic favorite. This recipe features a hearty mix of cauliflower, ground beef, and colorful vegetables, all layered with marinara sauce and topped with melted mozzarella and cheddar cheese. Perfect for those looking to enjoy the flavors of pizza without the extra carbs, this casserole is a family-friendly meal that's easy to prepare and satisfying to eat. Enjoy a healthier version of pizza night with this flavorful and wholesome casserole.
This recipe may contain affiliate links. As an Amazon Associate I earn from qualifying purchases.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Lunch and Dinner
Makes 8 servings
Serving Size 2 cups
Net Carbs 11 g
*Net carbs are per serving

Ingredients
 

  • 2 pounds cauliflower, chopped into bite-size pieces
  • 2 teaspoons olive oil
  • teaspoons Italian seasoning, divided
  • salt and black pepper, to taste
  • 3 cloves garlic, minced
  • 1 pound ground beef
  • 2 cups marinara sauce
  • 1 red bell pepper, diced
  • 1 orange bell pepper, diced
  • 8 ounces mushrooms, sliced
  • 2 2.25-ounce cans sliced olives
  • 1 medium yellow onion, diced
  • 2 cups mozzarella cheese, shredded
  • 2 cups cheddar cheese, shredded
  • Garnish: red pepper flakes, chopped fresh parsley

Instructions
 

  • Preheat your oven to 425F/220C.
    Close-up view of temperature knob on an oven, preheat oven to cook a meal.
  • Place chopped cauliflower in a large casserole dish. Drizzle olive oil, salt, pepper, 1 ½ teaspoons of Italian seasoning, and minced garlic and toss well. Bake for 15 minutes, stir cauliflower, and bake for another 10 minutes.
    Top view of cauliflower florets in a casserole dish, seasoned with oil, salt, pepper, and Italian seasoning, ready to roast in the oven.
  • Meanwhile, in a large skillet over medium heat, brown the ground beef. Use a spatula to break up the beef as it cooks. Season with 1 teaspoon of Italian seasoning and salt and pepper to taste.
    Top view of cooking ground beef in a skillet.
  • Once the cauliflower is done cooking, it’s time to layer your casserole. Spread half of the marinara sauce over the cauliflower evenly. Then add half the ground beef, half the bell peppers, half the mushrooms, half of the olives, half of the onions, and half of the cheese.
    Top view of assembling a low-carb pizza casserole, layered with cauliflower, ground beef, marinara, peppers, mushrooms, olives, onions, and cheese.
  • Repeat this process again, using the remainder of the ingredients.
    Top view of assembled low-carb pizza casserole, ready to bake in the oven.
  • Bake the casserole in the oven for 20 minutes, or until the cheese turns golden and bubbling.
    Top view of low-carb pizza casserole topped with melted cheese.
  • Garnish with fresh chopped parsley and red pepper flakes. Enjoy!
    Delicious low-carb Keto supreme pizza casserole being served with a wood spoon.

Nutrition

Nutrition Facts
Low-carb supreme pizza casserole
Serving Size
 
2 cups
Amount per Serving
Calories
463
% Daily Value*
Net Carbohydrates
 
11
g
Carbohydrates
 
15
g
Fiber
 
4
g
Sugar
 
7
g
Protein
 
32
g
Fat
 
31
g
Saturated Fat
 
12
g
Trans Fat
 
0
g
Polyunsaturated Fat
 
2
g
Monounsaturated Fat
 
8
g
Cholesterol
 
96
mg
Sodium
 
937
mg
Potassium
 
894
mg
26
%
Vitamin C
 
108
mg
131
%
Vitamin A
 
208
µg
30
%
Calcium
 
454
mg
45
%
Iron
 
4
mg
22
%
Nutrition facts are an estimate and are provided as a courtesy. Nutrition facts are sourced from the USDA Food Database. Values may vary depending on brand of ingredients used.
Keywords keto pizza casserole, loaded pizza casserole, low-carb pizza, Pizza casserole
Tried this recipe?Let us know how it was!
©Total Diabetes Wellness. Photographs, videos, and content are copyrighted. Sharing our recipes with a link and photo is encouraged and appreciated. Do not screenshot or copy/paste full recipes to any website or social media.
 

Save your private notes - member-exclusive feature!

 

Members login to access this feature.

 

Not a member? Learn more about our membership options and all our membership features.