Easy Low Carb Keto Crustless Pizza Casserole (Printable)

All the pizza flavors you love without the carbs. Cheesy, hearty, and ready in under an hour.

# What You Need:

→ Proteins

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

→ 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

# How-To Steps:

01 - Preheat oven to 400°F.
02 - Brown ground Italian sausage in a large skillet over medium heat. Drain excess fat.
03 - Add mushrooms, bell pepper, onion, and garlic to the skillet. Sauté 3-4 minutes until softened.
04 - Stir in pizza sauce, Italian herbs, salt, and black pepper. Simmer 2-3 minutes.
05 - Transfer mixture to a greased 9x9-inch baking dish.
06 - Sprinkle mozzarella and cheddar cheese evenly over top. Add Parmesan and arrange pepperoni slices.
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 -
  • You get that bubbling, cheesy, pepperoni-studded experience without the post-pizza energy crash or carb coma
  • The whole thing comes together in under 45 minutes but tastes like it simmered all day
  • It reheats beautifully, making your weekly meal prep feel like a treat instead of a chore
02 -
  • Draining excess fat from the sausage keeps the final dish from becoming greasy, but do not drain it too thoroughly because you need some fat for flavor
  • Sugar-free pizza sauce varies wildly in quality, taste it before adding and adjust your seasonings if it seems too acidic or bland
  • The casserole will continue to cook slightly as it rests, so pull it from the oven when the cheese is bubbly but not completely browned
03 -
  • Mix a little Parmesan into the cheese layers instead of saving it all for the top, it distributes that salty flavor throughout every bite
  • For extra crispy pepperoni, arrange them on paper towels for a minute before adding to the casserole to remove excess oil
  • Use a mixture of hot and mild sausage if your family likes things spicy without overwhelming heat