Low Carb Keto Crustless Pizza Casserole (Printable)

A cheesy, satisfying casserole with sausage, peppers, and melted cheese capturing pizza flavors without the crust.

# What You Need:

→ Proteins

01 - 1 lb ground Italian sausage or ground beef
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 tsp dried Italian herbs
12 - 1/2 tsp salt
13 - 1/2 tsp black pepper
14 - Red pepper flakes to taste

# Steps:

01 - Preheat your oven to 400°F for baking.
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 Advice:

01 -
  • Satisfies deep pizza cravings in under 40 minutes without the carb crash
  • The whole family crowds around the baking dish, picking at the edges while it cools
02 -
  • The first time I forgot to drain the sausage fat and the whole thing turned out incredibly greasy, so learn from my mistake
  • Sugar-free pizza sauce varies wildly in taste and sweetness, so find one you actually enjoy eating plain
03 -
  • Spray your baking dish with olive oil instead of butter to prevent any sticking issues
  • Grate your own cheese from blocks because it melts so much more smoothly

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