Low Carb Keto Crustless Pizza Casserole (Printable)

Cheesy low carb pizza flavor casserole with sausage, vegetables, and three cheeses ready in 40 minutes.

# What You'll Need:

→ Protein

01 - 1 pound ground Italian sausage
02 - 20 slices pepperoni

→ Vegetables

03 - 1 cup sliced mushrooms
04 - 1/2 cup diced green bell pepper
05 - 1/2 cup diced onion
06 - 2 cloves garlic, minced

→ Sauce

07 - 1 cup sugar-free pizza sauce or marinara

→ Cheeses

08 - 2 cups shredded mozzarella cheese
09 - 1/2 cup shredded cheddar cheese
10 - 1/4 cup grated Parmesan cheese

→ Seasonings

11 - 1 teaspoon dried Italian herbs
12 - 1/2 teaspoon salt
13 - 1/2 teaspoon black pepper
14 - Red pepper flakes, to taste

# Directions:

01 - Preheat your oven to 400°F.
02 - In a large skillet over medium heat, cook the ground Italian sausage until browned. Drain excess fat if needed.
03 - Add mushrooms, bell pepper, onion, and garlic to the skillet. Sauté for 3-4 minutes until softened.
04 - Stir in the pizza sauce, Italian herbs, salt, and black pepper. Simmer for 2-3 minutes.
05 - Transfer the mixture to a greased 9x9-inch baking dish.
06 - Sprinkle mozzarella and cheddar cheese evenly over the top. Add Parmesan and arrange pepperoni slices if using.
07 - Bake uncovered for 20-25 minutes, until cheese is melted and bubbly.
08 - Let rest for 5 minutes before serving. Garnish with extra herbs or red pepper flakes if desired.

# Expert Tips:

01 -
  • All the comfort of pizza without the post-meal carb crash that leaves you heavy and sluggish
  • Ready in under 45 minutes, making it perfect for those nights when takeout sounds tempting but you want something homemade
  • The leftovers somehow taste even better the next day, if they last that long
02 -
  • Draining the sausage fat prevents the final dish from being too greasy, but leave a little for flavor
  • Sugar-free pizza sauce varies wildly in quality, taste test before adding and adjust seasonings if needed
  • The casserole will be very hot right out of the oven, that resting period is not optional
03 -
  • Grate your own cheese from blocks for the smoothest melt and best texture
  • Let the sausage and veggie mixture cool slightly before adding cheese, it prevents separation
  • Position your oven rack in the upper third for that perfectly browned cheese topping

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