This Tuna & Red Onion Pizza is a delicious and easy-to-make dish that combines the flavors of tuna, red onion, and cheese on a crispy pizza crust. The tuna adds a savory and slightly salty taste, while the red onion adds a hint of sweetness and crunch. This pizza is perfect for a quick weeknight dinner or a casual get-together with friends. Serve it hot and enjoy the delightful combination of flavors!