In this task, you have to generate the title of the recipe given its required ingredients and directions.
Q: ingredients: '1 (8 ounce) package cream cheese, softened', '1 (14 ounce) package pre-baked pizza crust', '1 (5 ounce) can tuna, drained and flaked', '1/2 cup thinly sliced red onion', '1 1/2 cups shredded mozzarella cheese', 'crushed red pepper flakes, or to taste',<sep> directions: 'Preheat an oven to 400 degrees F (200 degrees C).', 'Spread the softened cream cheese on the pre-baked crust. Sprinkle the tuna and onions over the pizza; then top with shredded mozzarella cheese and optional red pepper flakes. Bake in preheated oven until the cheese has melted and started to brown, about 15 to 20 minutes.'
A:
Tuna Pizza