All that cheesy, saucy pizza flavor baked right into a bubbling casserole with pizza casserole low carb easy weeknight dinner energy that actually delivers. No crust needed. Just melty, satisfying comfort in every scoop.
Spring hit and I realized I’d been cooking the same heavy stuff on repeat since November. One tired Tuesday, I threw this together pepperoni, sauce, a mountain of mozzarella and it was back on the table in under 40 minutes. After testing the cheese-to-sauce ratio more times than I’ll admit, I landed on a version that stays saucy without getting watery. It’s the kind of easy win that makes weeknights feel manageable again.
PrintPizza Casserole Low Carb Easy Weeknight Dinner Your Family Will Love Now
Enjoy this Pizza Casserole Low Carb Easy Weeknight Dinner that makes a perfect easy dinner for your family. This keto pizza casserole is a cheesy low carb bake packed with real pizza flavors for any weeknight.
- Prep Time: 25 minutes
- Cook Time: 25 minutes
- Total Time: 50 minutes
- Yield: Serves 6
- Category: Main Course
- Method: Baked
- Cuisine: American
- Diet: Keto
Ingredients
- 1 can diced tomatoes well drained 14.5 oz can do not use petite dice tomatoes
- 5 links uncooked turkey or pork Italian sausage 19.5 oz
- 2 tsp olive oil
- 2 tsp olive oil
- 1/2 tsp dried oregano
- salt and fresh-ground pepper to taste I didn’t use much salt
- 12 oz fresh mushrooms washed and cut into thick slices I used brown Cremini mushrooms
- 1 1/2 cups grated Mozzarella cheese
- 15 slices pepperoni cut in half I used regular pepperoni but you can use turkey pepperoni if you prefer
Instructions
- Heat your oven to 400F 200C and prepare an 8 inch x 11 inch glass casserole dish by spraying it with non-stick spray or olive oil.
- Rinse the diced tomatoes under cold water in a colander and let them drain completely on paper towels.
- Warm 2 tsp olive oil in a large non-stick pan over medium-high heat, remove sausage from casing, and cook it until browned, breaking it up as it cooks.
- While sausage cooks, clean and slice mushrooms into thick pieces.
- Layer the browned sausage in the casserole dish, then add the drained tomatoes on top and season with oregano, salt, and pepper.
- Clean the pan if necessary, add the remaining 2 tsp olive oil and cook mushrooms over medium-high heat until their liquid evaporates and they brown slightly.
- Add the cooked mushrooms as the next layer over the sausage and tomato mixture.
- Arrange halved pepperoni slices evenly over the layer of shredded Mozzarella cheese on top of the casserole.
- Bake the dish about 25 minutes until the cheese is melted and beginning to brown. Serve hot.
Notes
- I used my favorite turkey Italian sausage for this recipe
- use pork sausage if you prefer
- For crisp tops, broil 2–3 minutes at the end
Nutrition
- Serving Size: 1
- Calories: 289
- Sugar: 3g
- Sodium: 561mg
- Fat: 18g
- Saturated Fat: 7g
- Unsaturated Fat: 10g
- Carbohydrates: 6g
- Fiber: 2g
- Protein: 26g
- Cholesterol: 85mg
Why You’ll Love This Low Carb Pizza Casserole
Here’s the honest truth this one comes together on nights when you have nothing left to give, and it still feels like a real dinner. Saucy, cheesy, loaded with pepperoni and Italian sausage, and not a single piece of crust to fuss over.
It’s my go-to when I’m tired and still want dinner to feel like dinner low effort, minimal cleanup, and it doesn’t sit heavy the way a big pasta bake does. Perfect for easing into spring without abandoning comfort food entirely.
What You’ll Need
No specialty ingredients, no hard-to-find swaps just the good stuff:
- Italian sausage turkey or pork both work; squeeze it right out of the casing
- Diced tomatoes drain them well, then blot dry; this is what keeps the casserole from going watery
- Fresh mushrooms cremini are ideal here; they add body and soak up all the savory flavor
- Mozzarella cheese grated fresh gives you that proper melty pull
- Pepperoni cut in half so every bite gets coverage
- Olive oil, dried oregano, salt, and fresh-ground pepper the simple seasoning that ties it all together
Note: A glass casserole dish is recommended it heats evenly and makes layering easy.
How to Make It
The method is straightforward: brown, layer, bake. No complicated steps, no timing gymnastics.
- Preheat your oven to 400F and spray your casserole dish with non-stick spray or olive oil.
- Drain and blot the diced tomatoes thoroughly spread them on paper towels until most of the moisture is gone.
- Heat olive oil in a large pan, squeeze the sausage from its casing, and cook over medium-high heat until browned. Break it apart as it cooks.
- Layer the cooked sausage across the bottom of your dish, then spread the drained tomatoes over the top. Season with oregano, salt, and pepper.
- Wipe the pan, heat more olive oil, and cook the mushrooms until they release their liquid and start to brown. Layer them over the sausage and tomatoes.
- Scatter the mozzarella evenly over everything, then lay the halved pepperoni pieces across the top.
- Bake for about 25 minutes, until the cheese is melted and golden in spots. Serve hot.
Pro Tip: Eleanor swears by a potato masher to break up the sausage it saves time and gets that perfect crumble without any extra tools to wash.
Can You Make This Casserole Ahead of Time?
Yes, and it holds up beautifully. Assemble everything up to the cheese and pepperoni layer, cover tightly, and refrigerate for up to 24 hours. When you’re ready, add the toppings and bake straight from the fridge just add a few extra minutes.
Leftovers reheat well in a 350F oven for about 10 minutes, or in the microwave if you’re in a hurry.
Easy Swaps and Serving Ideas
This low carb pizza casserole is flexible a few simple swaps keep it fresh across different nights or dietary needs:
- Use turkey pepperoni instead of regular for a lighter option
- Swap pork sausage for turkey Italian sausage both taste great here
- Add sliced bell peppers or olives from your usual pizza order if you have them on hand
- Serve with a simple green salad or roasted vegetables to round out the plate
It slices cleanly once it rests for a few minutes, making it easy to portion out for the whole table without any drama.
FAQs ( Pizza Casserole Low Carb Easy Weeknight Dinner )
Is this pizza casserole low carb and keto friendly?
Yes, this recipe is suitable for both keto and gluten-free diets. Each serving has 6g total carbs and 2g fiber, making it a great low-carb weeknight dinner.
What temperature do you bake this casserole at?
Bake this dish at 400F/200C for about 25 minutes, until the cheese is melted and starting to brown.
Can you use pork sausage instead of turkey sausage?
Yes, this recipe works with either turkey or pork Italian sausage. Use whichever you prefer – both give great results.
How many servings does this recipe make?
This meal yields 6 servings, making it a practical comfort food casserole for the whole family on busy nights.
Why do you drain and dry the diced tomatoes?
Draining and blotting the tomatoes removes excess moisture so this dish bakes up properly without a watery bottom layer.
This low carb pizza casserole comes together in under 40 minutes and lands on the table bubbling, cheesy, and completely satisfying no crust, no fuss, just the kind of dinner that actually feels like a treat.
If you’re making it ahead, assemble everything right up to the cheese layer, cover it tight, and refrigerate overnight it bakes up just as beautifully the next day. Turkey sausage works well if you want to lighten things up, and don’t skip blotting those diced tomatoes dry that one small step is what keeps the whole thing from going watery.
If you make this one, I’d love to hear how it went drop a comment below or tag me in your photo. Did your family hover around the oven the way mine does? Here’s to dinners that help you get back into a rhythm.
