Prepare the chicken crust by mixing shredded chicken, egg, mozzarella cheese, garlic powder, Italian seasoning, salt, and black pepper in a bowl. Spread onto a lined baking sheet to form a crust.
If using uncooked chicken, cook it using your preferred method until fully cooked and shredded.
After baking the crust, let it cool slightly. Spread the Caesar salad mixture over the warm chicken crust.
Bake the assembled pizza at 400°F for 5-10 minutes until the cheese melts slightly.
Add grated Parmesan cheese and croutons on top before serving. Slice and enjoy!